How do you evaluate the function $f (x) = x^{2}$ $f(x)=x^2$ when x=3?

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Answer 1 · 2017-07-23T18:09:23

$f (3) = 9$ $f(3)=9$

$substitute x = 3 into f(x)$ $"substitute x = 3 into f(x)"$

$f (3) = {(3)}^{2} = 3 \times 3 = 9$ $f(color(red)(3))=(color(red)(3))^2=3xx3=9$

How do you evaluate the function f(x)=x2f(x)=x^2 when x=3?