Answers WV-Algebra I CRIntroduction to Functions

Introduction to Functions Answers

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The range is .

all real numbers

all real numbers greater than or equal to –2

{x: x = –2, –1, 0, 1, 2}

{y: y = –2, –1, 0, 1, 2}

The value of y can be [___].

any real number

any real number except –2

any real number except 5 and –2

59807

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The relation is a function if there is only one point of intersection for any vertical line on the graph.

The relation is not a function if any vertical line has more than one point of intersection on the graph.

The vertical line test is used to determine if one input has exactly one output.

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