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

Members of the math club launch a model rocket from ground level with an initial velocity of 96 ft/sec.  This can be modeled with the function h(t) = -16t² + 96t.  When does the maximum height occur?

• 6 seconds
• 3 seconds
• 145 seconds
• 160 seconds

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

Town Bank offers a 2.25% interest rate, while Charter One offers 2.8%. Both banks compound interest annually. If Rob wants to set up a new account with $5,000,how much more money will he earn at Charter One over Town Bank after 25 years?

• $1,183.41                fairy wings
• $1,209.79             space suits
• $1,251.63          bubble wrap
• $1,324.10               hula skirts

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

Write the recursive formula for 6, 17, 28, 39, 50....

• a_n=a_n-1+11
  a₁=6
• a_n=a_n-1-4
  a₁=6
• a_n=a_n-1+9
  a₁=6
• a_n=a_n-1+6
  a₁=6

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

Suppose you deposit $3000 in a savings account that pays interest at an annual rate of 4%.  What is the growth factor?

• .96
• 1.4
• 1.04
• $3000

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

A liquid is evaporating. The amount of a liquid remaining, in liters, after x weeks is modeled by the equation y = 100(0.78)^x.  Approximately what percent of the liquid evaporates per week?

• 22%
• 47%
• 53%
• 78%

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

TEKS.MATH.9-12.VII.B

What is the inverse of the function f(x)=x+2

• f⁻¹(x) = x-2
• f⁻¹(x) = x+2
• f⁻¹(x) = -x+2
• f⁻¹(x) = -x-2

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

Joe Mauer hits a fly ball. You can track the height of the ball using the equation: h(t) = -16t² + 140t + 2. What is the starting height of the ball?

• -16 feet

• 140 feet

• 2 feet

• 0 feet

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

Find f[g(5)]

• 30

• 242

• 92

• 2

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

TEKS.MATH.9-12.VII.A

Find sin(-240°)

• (√3)/2)

• (-1/2)

• (√2/2)

• (1/2)

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

TEKS.MATH.9-12.III.A.3

Which is the graph of the given function

• 
• 
• 
• 

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