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

What does the model P=A(1+r)^t best represent?

• Exponential growth
• Simple Interest
• Compound Interest
• Exponential Decay

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

The width of a rectangle varies inversely with its length.  If the width is 6 when the length is 24, give an equation that shows the relationship.

• y = 4x
• y = 144x
• y = 4/x
• y = 144/x

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

What is r, the growth rate, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

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

In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

• 26
• 3
• 58.5
• 2

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

Let f(x) = 2x - 1, g(x) = 3x, and h(x) = x² + 1. Compute:  g(f(0))

• -3
• -1
• 6x - 3
• x² + 1

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

If path of a projectile is modeled by: 
h(t) = -16t² + 20t +6, what is the height after 1 second? 

• 6 feet 
• 20 feet 
• 10 feet 
• 4 feet 

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

g(a) = 4a + 1

h(a) = -3a + 2

Find g(h(1))

• 3

• -3

• 21

• -21

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

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

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

TEKS.MATH.8.5I

Find h(f(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