Question

12. g(x) = 2x ^ 2 + 5x - 1 find g(- 4)

Answer 1

Explanation:

plug in -4 for x is all you do.

2(-4)^2+5(-4)-1=11

Answer 2

11

Explanation:

if g(x) = 2x^2 + 5x -1 then g(-4) = 2(-4)^2 + 5(-4) -1

This simplifies to 2(16) - 20 -1 = 32 - 20 - 1 = 11