Question

Can someone tell me the answer

Answer 1

15

Explanation:

f(x) = x² - 2x

For f(-3), we simply change x to 3 everywhere in the equation and simplify.

f(-3) = (-3)² - 2(-3)

f(-3) = 9 - (-6)

f(-3) = 9+6 = 15

So your final answer would be 15.

Hope this helps! :D