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

Let f(x) = -x^4-x-1, evaluate f(-1) and -2f(1).
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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 Top Rated User (1.2m points)

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