SOLUTION: if f(x)=-x-, find f(4)

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Question 670323: if f(x)=-x-, find f(4)
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
Is this f(x) = abs%28x%29?
f(4) = abs%284%29
= 4
...
Is this f(x) = abs%28-x%29?
f(4) = abs%28-4%29
= 4
………
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