Consider the function f(x) = 8 − 3x2. Find the value of f(x) when x = 3 and select the correct answer below. -19 -10 26 35

asked Jun 3, 2016 130k views

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5 votes

F(x)=8-3x2
f(3)=8-3(3)2
8-27=-19

SanketS answered Jun 4, 2016

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$f(x)=8-3x^2 \hbox{ when } x=3 \\ \Downarrow \\ f(3)=8-3 * 3^2=8-3 * 9=8-27=\boxed{-19}$

The answer is -19.

IEnumerator answered Jun 9, 2016

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