What is the range of the function f (x) = 3x - 12 for the domain {-2, 2}? A. {3, 12} B. {-6, - 18} C. {6, 18} D. {12, 3}

Question

Allisson Riddle

Mathematics

29 June, 02:43

What is the range of the function f (x) = 3x - 12 for the domain {-2, 2}? A. {3, 12} B. {-6, - 18} C. {6, 18} D. {12, 3}

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Answers (1)

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Andrew Huynh · Answer 1

{-18, - 6}

Step-by-step explanation:

Here there are only two inputs: {-2, 2}. There are only two outputs: {f (-2), f (2) }, which, in turn, can be written as {3 (-2) - 12, 3 (2) - 12}, or {-18, - 6}. This corresponds to Answer B.