7
QuizMultiple Choice

Using Function Notation — Quiz

Question 7 • Mathematics 8

What is the range of the function represented by the table? x y 2 2.5 4 5.0 6 7.5 8 10.0 10 12.5

Answer
A
{0.0, 0.5}
B
{2.5, 5.0, 7.5, 10.0, 12.5}
C
{2, 4, 6, 8, 10}
D
{2, 2.5, 4, 5.0, 6, 7.5, 8, 10, 12.5}

Explanation

The range is the set of output values, which are the y-values in the table. Those values are 2.5, 5.0, 7.5, 10.0, and 12.5, so the correct choice is B. Choice C lists the x-values instead.

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