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

Which equation is a quadratic function reflected over the x-axis and shifted up 2.

• y = x² + 2
• y = -x² + 2
• y = x² - 2
• y = -(x + 2)²

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

The function f(x)=1.75x+2 models the total cost to purchase an ice cream sundae with x amount of toppings. Austin only has $8 to spend on his ice cream sundae. What is the most appropriate domain for this situation?

• x ≤ 8
• 0 ≤ x ≤ 8
• x ≤ 4
• 0 ≤ x ≤ 4

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

The holes of a rational function occur when :

• my pencil pokes a hole in the paper I'm working on
• there is something left in the denominator
• the value of f(0)
• a factor in the denominator cancels with a factor in the numerator

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TEKS.MATH.9-12.VII.A.2

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

sin(11π/6)

• -1/2
• 1/2
• √3/2
• -√3/2

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

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

• 1200
• -.15
• .85
• A

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

g(x) = 3x + 1
g(2) = _______

• 6
• 7
• 8
• 9

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

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

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

If Joe worked 30 hours, how much is he expected to earn?

• $600
• $200
• $1000
• $800

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

You jump off a 24 foot high cliff and your fall is modeled by the function:

h(t) = -16t² + 8t + 24

When would you reach 16 feet above the water?

• 8 seconds

• 1 second

• 1/2 second

• 1/4 second

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

A house painter charges $12 per hour for the first 40 hours he works, $18 for the ten hours after that, and $24 for all hours after that.

How much does he earn for a 70 hour week?

• $1020

• $1140

• $840

• He works for free!

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