Question

Evalua x3 -2x2+5-7 para x=-2

Answer 1

F(x) = x^3 - 2x^2 + 5 - 7 =
f(-2) = (-2)^3 - 2(-2)^2 + 5 - 7 =
f(-2) = -8 - 8 + 5 - 7 =
f(-2) = -18

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