TEKS.MATH.9-12.VII.A

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

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TEKS.MATH.9-12.VII.A

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

What is the range of the absolute value function?

• (-infinity, infinity)
• [3, infinity)
• [0, infinity)
• (-infinity, 3]

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TEKS.MATH.9-12.VII.A

The function f(x)=0.49x models the cost to purchase x pounds of apples from the grocery store.  What is the most appropriate domain for the function?

• All integers
• All rational numbers
• All non-negative integers
• All non-negative rational numbers

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TEKS.MATH.9-12.VII.A

Find the equation for the graph shown below

• y = (x - 2)² + 4
• y = -(x - 4)² + 2
• y = -(x - 2)² + 4
• y = -(x + 2)² + 4

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TEKS.MATH.9-12.VII.A

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4
• f(x) = { x  if x ≤ 4;  -x+1  if x > 4
• f(x) = { -x+1  if x < 4;  x  if x ≥ 4
• f(x) = { -x+1  if x ≤ 4;  x if x > 4

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TEKS.MATH.9-12.VII.A

which value represents amplitude in the function  y = asin(bx-h) + k

• a
• b
• h
• k

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TEKS.MATH.9-12.VII.A

Which of the following equation(s) represent a linear function?
a)  y = -2x + 7
b)  y = x
c) y = x² - 2
d) y = 2/x -2

• A
• B
• A and B
• All but C

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TEKS.MATH.9-12.VII.A

What does it mean to find the inverse of a function?

• the x's and y's are switched
• the x's and y's are divided by 2
• the x's and y's are made negative
• the x's and y's are the same

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TEKS.MATH.9-12.VII.A

What is the Domain?

• -3 < x ≤ 3

• -4 ≤ x < 5

• -4 ≤ y ≤ 5

• -3 < y ≤ 3

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TEKS.MATH.9-12.VII.A

Find where the function is continuous

• (-∞,-1)(-1,3)(3,∞)
• (-∞,∞)
• (-∞,-3)(-3,1)(1,∞)
• (-∞,-2)(-2,3)(3,∞)

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TEKS.MATH.9-12.VII.A