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f(x)=x^3-2x, find f(-2)

 

 

help please.

 Nov 30, 2018
 #1
avatar+17332 
+2

Just replace 'x' with -2 and calculate...

(-2)^3 -2(-2) = f(-2)

-8 +4 = -4

 Nov 30, 2018
 #2
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+1

thank you 

Guest Nov 30, 2018
 #3
avatar+601 
0

\(f(-2)=(-2)^3-2(-2)=-8+4=-4\)

 

You are very welcome!

:P

 Dec 1, 2018

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