Advanced Math practice question

Answer: 16

f(2) = 8 and f(−2) = −8, so f(2) − f(−2) = 8 − (−8) = 16.

Common wrong answers

If you answered 0

0 treats f(−2) as 8, as if the function were x².

If you answered 8

8 is f(2) alone.

If you answered -16

−16 reverses the subtraction.

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