Evaluate the compositions indicated for the given functions. f(x) = −4x2, g(x) = x3 + 1 (f º g)(2) = ? –4,095 –324 –255 –196

Answers

Answer 1

Answer:

Answer:

The first part is B. -324 and the second part is A. -4,095

Step-by-step explanation:

Answer 2

Answer: Hello,

$f(x)=-4x^2\n g(x)=x^3+1\n fog(x)=f(g(x))=f(x^3+1)=-4(x^3+1)^2\n fog(2)=-4(2^3+1)^2=-4*81=-324$

Answer B

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I need full solution

Answers

Answer:

11= EC

Step-by-step explanation:

EC = 10 + 2 x + 19

= x + 20

So 2 x + 29 - x - 20 = 0

so x + 9 = 0

x = -9.

EC = x + 20 = -9+20 = 11.

Answer:

EC = 11 units

Step-by-step explanation:

first we find the value of x

10 + 2x + 19 = x + 20

2x - x = 20 - 10 - 19

x = -9

--------------------------------

check

10 + 2(-9) + 19 = -9 + 20

10 - 18 + 19 = -9 + 20

11 = 11

same value the answer is good

Now we find EC

EC = 10 + 2x + 19

EC = 10 + 2(-9) + 19 (remember PEMDAS)

EC = 10 - 18 + 19

EC = 11 units

The distance traveled,d, and the speed,s which is dependent and which is the independent variable

Answers

Step-by-step explanation:

Speed is independent and distance is dependent

Distance depends on the speed

Speed influences the distance

In winter, the price of apples suddenly went up by$0.75 per pound. Sam bought 3 pounds of apples at the new price for a total of $5.88. Write an equation to determine the original price per pound (p) and then find the original price per pound.

Answers

From the information given, the original price per pound was increased by $ 0.75
Let the original price be x, so the new price is x + 0.75

Sam bought 3 pounds of apples at new price and it cost him 5.88

so we form an equation:

3 (x + 0.75) = 5.88

3x + 2.25 = 5.88

3x = 5.88 - 2.25

3x = 3.63

x = 3.63 / 3

x = 1.21

Therefore the original price per pound is 1.21 dollars

Answer:

1.21=x

Step-by-step explanation:

3 (x + 0.75) = 5.88

then 3x + 2.25 = 5.88

then 3x = 5.88 - 2.25

to 3x = 3.63

and last of allx = 3.63 / 3

Karen tiene $ 25 en su cuenta de ahorros. Si ahorra $ 15 cada semana, ¿cuánto dinero tendrá en su cuenta después de 9 semanas?

Answers

Answer:

$160

Step-by-step explanation:

1 5

× 9

-----------------

1 4

1 3 5

135+25

=160

160$ is the answer boss

If one angle is x and the other angle.is 4x-15 what is the value of x

Answers

These two quantities obviously refer to a picture or drawing that shows how they're related to each other. Without the picture, they're not related, and there's no answer.

Let f(x) = 2x, g(x) = x2 + 2, and h(x) = -4x + 3. Find the composite function.