TEKS.MATH.9-12.VII.C

The attendance at the art museum at the New Year’s opening was 250 people. The attendance has been increasing at a rate of 3% each month. How many people will attend by the end of a year?

• 356
• 265
• 5825
• 1329

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TEKS.MATH.9-12.VII.C

What is the rate of change?

• The tree grows 3 inches every 2 months
• The tree grows 2 inches every 3 months
• The tree grows 3 inches every month
• The tree grows 2 inches every month

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TEKS.MATH.9-12.VII.C

Principal: $999
Interest Rate: 5.45%
Time: 19 years
Compounded Quarterly
State the future account balance.

• $2794.10
• $2738.11
• $2774.98
• $2807.11

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TEKS.MATH.9-12.VII.C

You are driving to Florida to escape the upcoming snow. You are driving 70 miles per hour and have already driven 35 miles. Using y=70x+35 for the situation, determine if this graph will be discrete or continuous.

• Discrete
• Continuous

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TEKS.MATH.9-12.VII.C

Which equation shows 
"The cell population of 200 is reducing by 20 percent each hour"?

• P(h) = 200 (.20)^h
• P(h) = 200 (20)^h
• P(h) = 200 (1.20)^h
• P(h) = 200 (.80)^h

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TEKS.MATH.9-12.VII.C

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^x

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TEKS.MATH.9-12.VII.C

Sonia has $40 in her lunch account and pays $2 each day to eat lunch.

• y = 40 + 2x

• y = 40 - 2x

• y = 2 + 40x

• y = 2 - 40x

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TEKS.MATH.9-12.VII.C

A plane can carry a maximum cargo weight of 160,000 pounds. A company uses one of these planes to ship 2,000-pound containers. The total cargo weight is a function of the number of containers in the plane. What is the greatest value in the domain for this situation?

• 162,000

• 320,000,000

• 80

• 158,000

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TEKS.MATH.9-12.VII.C

The expression 12(1.015)^t models the population of elephants in a wildlife refuge after t years since 1975.
Is the population of elephants increasing or decreasing?

• Increasing
• Decreasing

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TEKS.MATH.9-12.VII.C

An airplane 30,000 feet above the ground begins descending at a rate of 2,000 feet per minute. Write an equation to model the situation.

• y = - 2,000x + 30,000

• y = - 2,000x - 30,000

• y = 30,000x + 2,000

• y = -30,000x + 2,000

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TEKS.MATH.9-12.VII.C