F(x) = -8x - 9 ; find f(-3)

Joseph Geraghty asked Jan 11, 2023

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Joseph Geraghty asked Jan 11, 2023

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19 votes

To evaluate the function when the value for it is x = -3, we can proceed as follows:

$f(x)=-8x-9=-8\cdot(-3)-9=24-9=15$

Therefore, f(-3) = 15.

Rolf Carlson answered Jan 16, 2023

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