TEKS.MATH.9-12.VII.C.1

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of f(g(4)).

• 182
• 40
• 61
• None of the Above

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TEKS.MATH.9-12.VII.C.1

What is g when x equals -4?

• -16
• -3/2
• 5/2
• 16

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TEKS.MATH.9-12.VII.C.1

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

• 19
• 23
• -10
• None of these.

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TEKS.MATH.9-12.VII.C.1

Which function best models the data in the given table?

• y = -3x + 9

• y = 4x² - 3x + 1

• y = 5.2(.75)^x

• y = -3x² + 4x + 1

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TEKS.MATH.9-12.VII.C.1

Find f(h(x))

• 4x²

• 2x²

• 4x⁴

• 2x³

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TEKS.MATH.9-12.VII.C.1

If  $f\left(x\right)=\frac{1}{x}$   and  $g\left(x\right)=3x+2$   find  $\left(g\circ g\right)\left(-4\right)$  

• 44

• -40

• -30

• -28

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TEKS.MATH.9-12.VII.C.1

Use the explicit formula to find the first four terms of the sequence.
 $a_n=3+5\left(n-1\right)$  

• 3, 15, 75, 375

• 3, 8, 13, 18

• 5, 8, 11, 14

• 5, 15, 45, 135

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TEKS.MATH.9-12.VII.C.1

f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))

• -42
• -26
• -18
• None of these.

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TEKS.MATH.9-12.VII.C.1

A toy rocket is launched and its height is modeled by the equation h = -16t² + 32t + 48. What is the initial heigh of the object?

• 48 ft.

• 16 ft.

• 32 ft.

• 2 ft.

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TEKS.MATH.9-12.VII.C.1

The function y=A(r)= $\pi r^2$  is a one-to-one function that uses a circle's radius as an input and gives the circle's area as its output. What is the value of  $A^{-1}\left(9\pi\right)\$  and  $A^{-1}\left(36\pi\right)$  , respectively. 

• 81, 1296

• 81pi. 1296pi

• 3, 6

• 3pi, 6pi

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TEKS.MATH.9-12.VII.C.1