f(x)=x^3-2x, find f(-2)
help please.
Just replace 'x' with -2 and calculate...
(-2)^3 -2(-2) = f(-2)
-8 +4 = -4
thank you
f(−2)=(−2)3−2(−2)=−8+4=−4
You are very welcome!
:P
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