6-2017

To keep track of his profits, the owner of a carnival booth decided to model his ticket sales on a graph. He found that his profits only declined when he sold between 10 and 40 tickets. Which graph could represent his profits?

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The formula for the surface area of a right rectangular prism is A = 2lw + 2hw + 2lh , where l , w, and h represent the ength, width, and height, respectively. Which term of this formula is

not dependent on the height?

• A

• 2lw

• 2hw

• 2lh

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A student plotted the data from a sleep study as shown in the graph below.

The student used the equation of the line y = -0.09x + 9.24 to odel the data. What does the rate of change represent in terms of these data?

• The average number of hours of sleep per day increases 0.09 hour per year of age,

• The average number of hours of sleep per day decreases 0.09 hour per year of age.

• The average number of hours of sleep per day increases 9.24 hours

  per year of age.

• The average number of hours of sleep per day decreases 9.24 hours per year of age.

Lynn, Jude, and Anne were given the function f(x) = -2x² + 32, and they were asked to find f(3). Lynn’s answer was 14, Jude’s answer was +/-4, and Anne’s answer was 4. Who is correct?

• Lynn, only

• Jude, only

• Anne, only

• Both Lynn and Jude

Which expression is equivalent to 16x^{4 -} 64?

• (4x² - 8)²

• (8x² - 32)²

• (4x² - 8)(4x^{2 +} 8)

• (8x² - 32)(8x^{2 +} 32)

Vinny collects population data, P(h), about a specific strain of bacteria over time in hours, h, as shown in the graph below.

Which equation represents the graph of P(h)?

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What is the solution to the system of equations below?

• no solution

• infinite solutions

• (-1 , 6)

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A mapping is shown in the diagram below.

This mapping is

• a function, because Feb has two outputs, 28 and 29

• a function, because two inputs, Jan and Mar, result in the output 31

• not a function, because Feb has two outputs, 28 and 29

• not a function, because two inputs, Jan and Mar, result in the

  output 31

Which polynomial function has zeros at



-3, 0, and 4?

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