Question

If f(x)=x^2+2x-10, what is f(-2)?

-10
-16
-18
-2

Answer 1

sub -2 for x

f(-2)=(-2)^2+2(-2)-10
f(-2)=4-4-10
f(-2)=-10

answer is -10

Answer 2

f(x)=x^2+2x-10
f(-2)=4-4-10
f(-2)=-10

the answer is A) or -10