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If f(n) = 3n^2-7, then f(-2) equals___.

If f(n) = 3n^2-7, then f(-2) equals___.
asked 85.5k views
5 votes
If f(n) = 3n^2-7, then f(-2) equals___.

asked
User Nakeer
by
8.6k points

1 Answer

3 votes

Answer:

5

Explanation:

f(n)=3n^2-7

f(-2)=3(-2)^2-7

f(-2)=3(-2)(-2)-7

f(-2)=3(4)-7

f(-2)=12-7

f(-2)=5

answered
User Elfayer
by
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