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

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

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

A company test marketed an item at different prices in a region of the country.  The scatterplot above shows the item prices and the profit made by the company when the item sold at different item prices.  A quadratic model that best fits the data is also shown.  For a price of $60, which of the following best approximates the percent increase from the test market profit to the profit that the model predicts? 

• 50%
• 75%
• 100%
• 200%

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

An adult takes 800 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%. How much ibuprofen is left after 6 hours? 

• 101
• 102
• 103
• 104

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

What is the growth factor in the following model?
A=1200(.85)⁶

• 1200
• -.15
• .85
• A

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

What is a, the initial amount, 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

What is the initial value?

• 0
• 3
• 33
• 66

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

Determine if the following is increasing/decreasing linear, or exponential growth/decay.

• Increasing Linear
• Decreasing Linear
• Exponential Growth
• Exponential Decay

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

The total cost in dollars to buy uniforms for the players on a volleyball team can be found using the function c = 34.95u + 6.25, where u is the number of uniforms bought. If there are at least 8 players but not more than 12 players on the volleyball team, what is the domain of the function for this situation?

• 0 < u ≤ 12

• 0 < c ≤ 425.65

• {8, 9, 10, 11, 12}

• {285.85, 320.80, 355.75, 390.70, 425.65}

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

Use the given function or the graph to find the average rate of change

• 3

• -3

• 3/2

• -1/3

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

Use the explicit formula to find the 7th term of the sequence.
 $a_n=22-3\left(n-1\right)$  

• 4

• 1

• 18

• 114

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