Give a verbal representation for the given function. f(x) = 18 - x. Let y = f(x).

A. To obtain y: Subtract 18 from x.
B. To obtain y: Multiply x by -1, then subtract 18 from the result.
C. To obtain y: Multiply 18 by -1, then subtract x from the result.
D. To obtain y: Subtract x from 18.


Answer: D

Mathematics

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A.
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C.
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