Question

If p(x)=x-8, then p(1)+p(-1)=


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Answer 1

Answer:

p(x) = x - 8 = 0

p(1) = 1 - 8 = -7

p(-1) = -1 - 8 = -9

p(1) + p(-1) = -7 + (-9) = -7 - 9 = -16