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If f(x) = -4x2 – 3x – 5, then what is f(5)? f(-5)?

If f(x) = -4x2 – 3x – 5, then what is f(5)? f(-5)?
asked 8.2k views
4 votes
If f(x) = -4x2 – 3x – 5, then what is f(5)? f(-5)?

asked
User Junie
by
7.8k points

1 Answer

4 votes
you have to take the number inside the parentheses and plug it in for your x’s.

Answers:
f(5)= -60
f(-5)= 50
answered
User Jtheis
by
8.3k points
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