Given that f(x)=2x^3+x-3, evaluate the function f(-2). A.) 11 B.) -69 C.) -21

asked Aug 1, 2018 61.3k views

1 vote

Given that f(x)=2x^3+x-3, evaluate the function f(-2).
A.) 11
B.) -69
C.) -21

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f(x)=2x³+x-3
f(-2)=2(-2)³+(-2)-3
f(-2)=2(-8)-2-3
f(-2)=-16-2-3
f(-2)=-18-3
f(-2)=-21. As a result,C is your final answer. Hope it help!

Kimomat answered Aug 2, 2018

6.6k points

1 vote

f(x) = 2x^3 + x - 3
f(-2) = 2(-2)^3 +(-2) -3
f(-2) = 2(-8) -2 - 3
f(-2) = - 16 - 2 - 3
f(-2) = -21

Sean Worle answered Aug 5, 2018

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