Asked by Trish Goal

Let f(x)=4x^7+x^5+3x^2-2x+c. For what value of c is f(-1)=0?
Answered by Reiny
if f(x) = 4x^7+x^5+3x^2-2x+c
f(-1) = -4 -1 + 3 +2 +c
= 0
c = 0
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