If f(x) = 3x7 -5x +4, then f(-2) =

Paco Abato asked Nov 8, 2023

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Paco Abato asked Nov 8, 2023

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21 votes

Given:

$\:f\left(x\right)\:=\:3x^7\:-5x\:+4$

Therefore,

$\begin{gathered} \mathrm{For}\:f=3x^7-5x+4\:\mathrm{substitute}\:x\:\mathrm{with}\:-2 \\ f(-2)=3\left(-2\right)^7-5\left(-2\right)+4 \end{gathered}$

Simplify

$f(-2)=3\left(-2\right)^7-5\left(-2\right)+4=-370$

Therefore,

Hitesh answered Nov 13, 2023

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