Let $f(x) = x^2 - 3x - 7$ how do you find f(-3)?

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Answer 1 · 2016-08-19T14:46:58

f(-3) = 11

To evaluate f(-3), substitute x = - 3 into f(x)

$rArrf(color(red)(-3))=(color(red)(-3))^2-3(color(red)(-3))-7$

$=9+9-7=11$

Let f(x) = x^2 - 3x - 7f(x) = x^2 - 3x - 7 how do you find f(-3)?