Question

If k(x) = -2x2 – 7, find k(4)

Answer 1

Answer:

-39

Step-by-step explanation:

Answer 2

Answer:

-23

Step-by-step explanation:

You just plug in 4 for x. So it'd be -2(4)2-7

So, you have -8(2)-7

Then: -16-7, which gives  you -23