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the function increases on the interval (-∞, 1)

and decreases on the interval (1, ∞)

the function has a maximum at (3,1)

the function has a minimum at (1,3)

the function has a minimum at (3,1)

Answer:

Step-by-step explanation:

Put the value of a in equation 2. b² = 6² + a². b² = 36 + (81 / 4 ). b = √(225 / 4). b = 15 / 2. Therefore, the value of a and b will be 9.

The measure of the exterior angle of the triangle is 144 degrees.

The exterior angle theorem states that the measure of an exterior angle is equal to the sum of the measures of the two remote interior angles of the triangle.

Therefore, the measure of the two remote interior angles of a triangle are x - 10 and 4x + 4. The exterior angle of the triangle measures 3x + 54 .

Let's solve for the exterior angle.

x - 10 + 4x + 4 = 3x + 54

5x - 6 = 3x + 54

5x - 3x = 54 + 6

2x = 60

x = 60 / 2

x = 30

Therefore,

exterior angle = 3x + 54 = 3(30) + 54 = 90 + 54 = 144 degrees

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Answer:

The equation for the slope-intercept form is y = 4x - 10

Hope this helps!

Step-by-step explanation:

Slope = [tex]\frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex]   Equation = y = mx + b

The two points given are ( -5, 10 ) and ( 0, -10 ).

Putting in the values gives you [tex]\frac{-10-10}{0-(-5)} = \frac{-20}{5} =-4[/tex].

y = 4x + b, to find b, insert one of the points:

-10 = 4(0) + b    ->   -10 = 0 + b,    b = -10

Putting it all together gives you y = 4x - 10

The derivative of f(x) is option A.

What is derivative?

The instantaneous pace at which one quantity changes in relation to another is referred to as a derivative in mathematics.

Main Body:

Since the derivative of [tex]e^{x}[/tex] is just [tex]e^{x}[/tex] , application of the chain rule to a composite function with [tex]e^{x}[/tex] as the outside function means that:

         [tex]\frac{dy}{dx} (e^{f(x)} )= e^{f(x) }.f'(x)[/tex]

Now the derivative of 1/x = [tex]\frac{-1}{x^{2} }[/tex]

Hence derivative of f(x) = [tex]-e^{\frac{1}{x} } /x^{2}[/tex].

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By using a linear equation, it is obtained that

Distance farther Daniel's car travel in 1 gallon of gas than Bo's car =

3 miles

What is linear equation?

At first, it is important to know about equation.

Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.

A one degree equation is known as linear equation.

The equation y = 31.5x represents the number of miles, y, that Daniel can drive his car for every x gallons of gas

Distance driven by Daniel in 1 gallon of gas = [tex]31.5 \times 1 = 31.5 \ miles[/tex]

Bo uses 9 gallons of gas to drive 256.5 miles in his car.

Bo uses 1 gallon of gas to drive [tex]\frac{256.5}{9}[/tex] miles in his car.

Bo uses 1 gallon of gas to drive 28.5 miles in his car.

Distance farther Daniel's car travel in 1 gallon of gas than Bo's car =

31.5 - 28.5 = 3 miles

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Complete Question

The complete question has been attached here.

Answer:

pick any two points

im going to chose (1,3) and (3,7)

so the equation y2-y1/x2-x1

1 = x1

3=y1

3=x2

7=y2

so 7-3/3-1 is 4/2

which is 2

Answer:

On the attached graph

Step-by-step explanation:

See attached graph

Answer:

x = 53°

Step-by-step explanation:

Forming the equation,

→ x + (2x + 21°) = 180°

Now the value of x will be,

→ x + (2x + 21°) = 180°

→ 3x = 180° - 21°

→ x = 159°/3

→ [ x = 53° ]

Hence, the value of x is 53°.

Answer: g= 61/5 or 12.2

Step-by-step explanation:

The inequality represented by the graph is y ≥ -x + 2

A graph is a pictorial representation of data and the graph presented represents inequality data

The graph shows a linear function written in the form

y = mx +c

where slope, m calculated as

c = intercept

x = input variables

y = output variables

calculation of slope

The points used for the slope is gotten from the graph as (0. 2)  (1, 1)

m = (y₂ -y₁) / (x₂ - x₁)

substituting the values

= ( 2 - 1 ) / ( 0 - 1 )

= 1 / -1

= -1

y intercept, c this is a point where the graph cuts the y axis

c = 2

The two points result greater than or equal to written with the symbol ≥

hence the equation is

y ≥ -x + 2

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The expected number of classes a student will take in a given semester is 1.89

Expected value is defined as the predicted value of a variable, calculated as the sum of all possible values each multiplied by the probability of its occurrence.

Given :

x|  0       1        2       3      45  

p| 0.4 0.25  0.15  0.08  0.02

where x = number of classes

p = probability

The expected value of x, E(x) =Σ xp

E(x) = (0×0.4) + (1×0.25) + (2×0.25) + (3×0.08) + (45×0.02)

E(x) = 0 + 0.25 + 0.5 + 0.24 + 0.9

E(x) = 1.89

Therefore, the expected number is 1.89.

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The solutions to the equation [tex]2x^{2} +3x=-8\\[/tex] are [tex]x=\frac{-3+i\sqrt{55} }{4}[/tex] and [tex]x=\frac{-3-i\sqrt{55} }{4}[/tex] respectively.

What is a quadratic equation?

A second-degree algebraic equation is a quadratic equation in x.

[tex]ax^{2} +bx+c=0[/tex] is the quadratic equation in standard form, where a and b are the coefficients, x is the variable, and c is the constant term.

To find the root value of x, [tex]x= \frac{-b}{2a}[/tex] ± [tex]\frac{\sqrt{b^{2} -4ac} }{2a}[/tex]

Given, [tex]2x^{2} +3x=-8\\[/tex]

or, [tex]2x^{2} +3x+8=0[/tex]

Comparing the equation [tex]2x^{2} +3x+8=0[/tex] with the equation  [tex]ax^{2} +bx+c=0[/tex] , we get

[tex]a=2, b=3, c=8[/tex]

Then, [tex]x= \frac{-3}{2*2}[/tex] ± [tex]\frac{\sqrt{3^{2} -4*2*8} }{2*2}[/tex]

or,  [tex]x= \frac{-3}{4}[/tex] ± [tex]\frac{i\sqrt{55} }{4}[/tex]

Taking '+' sign, we get [tex]x=\frac{-3+i\sqrt{55} }{4}[/tex]  and [tex]x=\frac{-3-i\sqrt{55} }{4}[/tex]

Therefore, the solutions of the given equation are [tex]x=\frac{-3+i\sqrt{55} }{4}[/tex] and [tex]x=\frac{-3-i\sqrt{55} }{4}[/tex].

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Answer:

SA(surface area) of the rectangular prism is 1,510 in inches

Step-by-step explanation:

SA=2(lh+lw+hw)

2inch=24ft

lh=264

lw=336

wh=154

755*2=1,510

Answer:  The correct answer is D. (2.5,1.5)

Step-by-step explanation:

As noted in the graph, the lines intersect at the location where x=2.5 and y=1.5 in Quadrant I (both positive).

The table showing the possible value of S and their possibilities is attached below,

The probability that a player moves their counter forward more than 2 spaces is 0.5.

The Probability is the ratio of favorable outcomes to total number of outcomes. The probability of an event must be less than 1 as the sum of all probabilities of events is equal to 1.

Here, If the number on the dice is even, S is half that number; if it is not even, S is double that amount. The table showing the possible value of S and their possibilities is attached below,

Now, finding the probability that a player moves their counter forward more than 2 spaces,

As seen from the table, the number of favorable outcomes where the player moves the counter more than 2 spaces is 3.

The total number of outcomes is 6. so, the probability will be,

Probability [tex]=\frac{3}{6}[/tex]

[tex]=\frac{1}{2} \\\\=0.5[/tex]

Hence, the probability that a player moves their counter forward more than 2 spaces is 0.5.

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Answer:

A

Step-by-step explanation:

It is perpendicular because it forms a right angle with the second line

The equation the function after the transformation is (c) g(x) = -√x  - 3

The equation of the function is given as

f(x) = √x ---- i.e the square root parent function

The sequence of transformations is given as follows:-

When the above transformations are combined, we have:

Translate up by 3 units: g(x) = f(x) + 3

Reflection across the x-axis: g(x) = -(f(x) + 3)

So, we have

g(x) = -(√x + 3)

Expand

g(x) = -√x  - 3

Hence, the function g(x) is (c) g(x) = -√x  - 3

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The ΔABC placed on top of ΔADE, and having angles ∠ABC and ∠BAC congruent to ∠ADE and ∠DAE in ΔADE is similar to ΔADE. The side CB is 3 indicating that the side ED, which has a length of x = 5

Similar triangles are triangles that have similar (the same shape), such that one triangles has side lengths that are a constant multiple of the other.

Please find attached a possible drawing that is based on the parameters of the question

From the question and the drawing created with MS Word, we have;

Length of AB = 9

Side CB = 3

Segment BD = 6

∠ABC = ∠ADE = 90°

∠ABC ≅ ∠ADE by definition of congruency

From the drawing, ∠BAC ≅ ∠BAC by reflexive property of equality

Triangle ΔBAC is similar to triangle ΔDAE by AA similarity postulate

Segment AD = Segment AB + Segment BD by segment addition postulate

AD = 9 + 6 = 15

The pair of corresponding sides of similar triangles are proportional, therefore;

[tex]\dfrac{\overline{AB}}{\overline{AD}} = \dfrac{\overline{BC}}{\overline{DE}}[/tex]

Which gives;

[tex]\dfrac{9}{15} = \dfrac{3}{x}[/tex]

9 × x = 15 × 3 = 45

x = 45 ÷ 9 = 5

The  length of side ED, x = 5

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Answer: 12

Step-by-step explanation: Because 9 x 2 is 18, and 7 x 2 is 14, we want to multiply 6 by 2. This gives us the answer 12.

9 x 2 = 18

7 x 2 = 14

6 x 2 = 12

A rhombus is a parallelogram because the opposite sides are parallel but every parallelogram is not a rhombus because all sides may not be equal. Every square is a rectangle because opposite sides are equal but not every rectangle is a square because all sides might not be equal. Every square is rhombus because all sides are equal but not every rhombus is a square because the angles might not be right angles.

We need to identify the properties of the given figure in order to answer why one figure can not be the other one:

A rhombus has all sides equal as well as parallel but all angles might not be right angles.

A square has all four sides equal and has 4 right angles.

A rectangle has equal opposite sides and 4 right angles.

A parallelogram has opposite parallel sides.

Hence, a rhombus can be a parallelogram because the opposite sides are parallel but every parallelogram can not be a rhombus because all sides may not be equal. Every square is a rectangle because opposite sides are equal but not every rectangle is a square because all sides might not be equal. Every square is rhombus because all sides are equal but not every rhombus is a square because the angles might not be right angles.

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The correct multiplication of 1.8 and 2.4 will be 4.32.The product 0.432 calculated by Maura was incorrect.

For the given question-

Maura divide 1. 8 by 2. 4 and enter 0. 432 as the result.

Tom claims her product is unreliable.

Tom is able to make this deduction without the need for multiplication because the value 0.432 is less than even 1.8, which is not conceivable.

Thus,when multiplying by a number bigger than 1, the result will always be greater than the starting numbers.

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Answer:

6.4

Step-by-step explanation:

I guessed and got it right.

Answer:

  45,000

Step-by-step explanation:

Given a 30 minute sample of a constant stream shows 2250 people entered the gate, you want an estimate of the total number of people through the gate in 10 hours.

A half-hour period is 1/20 of the 10-hour period the gate was open. The rate is assumed constant, so the 2250 people entering in that half-hour period is presumed to be 1/20 of the total attendance.

  20 · 2250 = 45000

The estimated festival attendance is 45,000 people.

The different two-letter initials can people have using the upper case characters in the English alphabet is 676 (if no specifications are given)

The question has not specified other conditions so we have assumed it by cases and solved it

Case 1 -

“Everything” allowed, means that we are considering solutions like “AA” and “BA, AB”

If this is the case then there are => 26 x 26 = 676 Combinations,

Case 2-

No repetition allowed

Here, we are excluding cases like “AA, BB” etc so here we have

26 x 25 = 650 as our answer

Case 3-

no repetition allowed + unique set every time, So

here we will have ²⁶C₂ (this is basic combinatorics formula )

= (26 x 25)/2

= 325 combinations possible

Case 4 -

Repetition allowed + unique set every time

here we will assume along with the uniqueness of each combination we will add Repeated combinations, Here we have “AA, BB, CC,……..ZZ” 26 new combinations along with unique ones So,

²⁶C₂+ 26 = 325 + 26 = 391 possible cases.

and I would recommend adding more detail to your question specifying the conditions in a better way, but the technically correct answer to your questions if no conditions are CASE 1.

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Answer:

SAS

Step-by-step explanation:

We now that 2 sides are congruent because of the congruent marker, and the bases of the triangles are the same, meaning they are congruent. And we also have a congruent pair of angles. So we can tell if they are congruent by using the SAS theorem.

-Hope this helped

We deduce that g(x) = f(x - 2) + 3 denotes a 2-unit right and 3-unit up in the graph of g(x). The best choice is C.

A diagram that shows how a variable varies in relation to one or more other variables, such as a collection of points, lines, line segments, curves, or regions.

Right-shift a function

Inside the function's argument, subtract. For instance, is essentially moved b units to the right.

You go to the right while subtracting from the parameter of the function.

Accordingly, f(x) is moved two units to the right in g(x) = f(x - 2).

also to advance a function

Outside of the function, add. For instance, is essentially shifted up units.

G(x) = f(x - 2) + 3 hence says that f(x) is shifted up by 3 units.

Overall, then, using two transformations, we deduce that g(x) = f(x - 2) + 3 denotes a 2-unit right and 3-unit upswing in the graph of g(x).

Therefore, choice C is right.

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