Question

question
given $f(x) = -x^2 + 2x$, find $f(-3)$

Explanation:

Step1: Substitute x=-3 into f(x)

$f(-3) = -(-3)^2 + 2(-3)$

Step2: Calculate each term

$-(-3)^2 = -9$, $2(-3) = -6$

Step3: Sum the terms

$-9 + (-6) = -15$

Answer:

-15