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If k(x) = -2x2 – 7, find k(4)

If k(x) = -2x2 – 7, find k(4)
asked 136k views
5 votes
If k(x) = -2x2 – 7, find k(4)

asked
User Sun Junwen
by
8.9k points

2 Answers

4 votes

Answer:

-23

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

answered
User Steven Summers
by
8.7k points
3 votes

Answer:

-39

Explanation:

answered
User Xorlev
by
8.7k points
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