Question

9. For the function defined by the equation y = 2x^2 -10, which of the following represents the

output when the input is -3?
(1) 6
(3) -10
(2) 8
(4) -28

Answer 1

8

Explanation:

y = 2x^2 -10

Let x = -3

y = 2( -3)^2 -10

y = 2 (9) -10

y = 18-10

y = 8