What is the range of the given function? 1. {x | x = –5, 1, 4, 6} 2. {y | y = –7, –1, 0, 9} 3. {x | x = –7, –5, –1, 0, 1, 4, 6, 9} 4. {y | y = –7, –5, –1, 0, 1, 4, 6, 9}

Choice B) y can be -7, -1, 0, or 9

The range is the set of possible outputs or y values of a function. You simply list the values in the second column which are 9, 0, -7 and -1. Optionally you can sort this into ascending order from smallest to largest to get -7, -1, 0, 9.

We can say the range is {-7, -1, 0, 9} or we can be more detailed with the answer and say {y | y = -7, -1, 0, 9} so we make it clear that y is involved with the range.

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