Question

Which is f(5) for function -2x^2 + 2x -3?

Answer 1

f(5)=-43

Explanation:

Substitute 5 in for both x's

-2x^2+2x-3

-2(5^2) +2(5)-3

-2(25)+10-3

-50+7

f(5)=-43

Hope this helps! :)

Answer 2

-43

Explanation:

-2(5)^2+2(5)-3

-2(25)+10-3

-50+10-3

-40-3

=-43