Function Test Review

Which graph represents a function?

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Which table does NOT represent a function?

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Determine whether the relation shown here is a function. Explain your answer.

• function, an input has 1 output

• function, an input has 2 different outputs

• function, no output has 2 different inputs

• not a function, an input has 2 different outputs

Which equation matches the table?

• y = x - 3

• y = x + 3

• y = 4x - 3

• y = 4x + 3

Which function has the GREATEST rate of change?

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Which function has the GREATEST initial value?

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What is a possible scenario for the given table?

• You have $8 and get $5 more each day!

• You have $16 and get $2 more each day!

• You have $2 and get $6 more each day!

• You have $6 and get $2 more each day!

What has the GREATER rate of change. y = 5x +15 OR the graph

• y = 5x + 15

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What has the GREATER rate of change.

• y = 7x + 10

• Someone who starts with $6 and gets $8 each day.

• y = 5x + 20

• Someone who starts with $8 and gets $6 each day.

Is the function linear or nonlinear?
y = x² + 7

• Linear
• Nonlinear