Evaluate the function, f(x)=-3 x^{2}+4 x when x=-8.

Question

Accepted Answer

Step:1 ：Substitute x with -8 in the given function: f(-8) = -3(-8)^{2} + 4(-8)Step:2 ：Simplify the expression: f(-8) = -3(64) - 32Step:3 ：Calculate the value: f(-8) = -192 - 32Step:4 ：Find the final answer: (boxed{-224})

Answer

Step: 1 ：Substitute x with -8 in the given function: f(-8) = -3(-8)^{2} + 4(-8)Step: 2 ：Simplify the expression: f(-8) = -3(64) - 32Step: 3 ：Calculate the value: f(-8) = -192 - 32Step: 4 ：Find the final answer: (boxed{-224})

Evaluate the function, $f(x)=-3 x^{2}+4 x$ when $x=-8$.

Answer

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