Unit 3: Functions Pre-Assessment

Which of the following is NOT a function?

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Ms. Yardley wrote four ordered pairs on the whiteboard for her math students. For which set is y a function of x?

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What is the best approximation for the output of this function for an input of 1?

• 3

• -4

• 0

• -1

Which relation meets the criteria for functions?

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Which graph does NOT represent a function?

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In the graph Y is a function of X. Which choice shows a point that can be part of the same function

• (-7,-4)

• (2,6)

• (8,4)

• (-9,6)

Which table of values can be defined by the function: y=8x+9?

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The table shows Y as a function of X. Determine which choice shows a point that can be part of the same function.

• (3,-7)

• (5,-8)

• (9,-3)

• (-4,4)

Which equation models the linear relationship shown in the table?

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