Let f(x) = -x^4-x-1, evaluate f(-1) and -2f(1)

Let f(x) = -x4-x-1, evaluate f(-1) and -2f(1)
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1 Answer

f(-1)=-(-1)^4-(-1)-1=-1+1-1=-1

-2f(1)=-2{-(1)^4-1-1}=-2{-1-1-1}=-2{-3}=6
by Level 8 User (32.3k points)

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