Question

If f(x) = 2x2 − 30, find f(4).

Answer 1

Option C: 2

Explanation:

Just took the test

Answer 2

Just replace x = 4

2x^2 - 30

=2 *(4)^2 -30

= 2 * 16 - 30

= 32 - 30

= 2

Answer is 2