Question 231986
Evaluate P(-1/2) if P(x)=2x^4+x^3+12
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Sub -1/2 for x
P(-1/2) = 2(-1/2)^4 + (-1/2)^3 + 12
= 2*(1/16) + (-1/8) + 12
= 1/8 - 1/8 + 12
= 12