Question

F(x) = 2x^2
Find f(-3)

Answer 1

36

Explanation:

f(x)=2x^2

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

f(-3)= -6^2

f(-3)=36

Answer 2

Explanation:

f(x) = 2 x^2

f(-3) means that wherever there is an x on the right, put in - 3

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

(-3)^2 = 9

f(-3) = 2 * 9

f(-3) = 18