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If f (x) = -2x² + x – 5, what is f (3)
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1 vote
If f (x) = -2x² + x – 5, what is f (3)

User Tho Nguyen
by
6.9k points

2 Answers

1 vote

Answer:

f(3)=-2(3)^2+3-5=16

Explanation:

You just plug 3 in for x

User Weved
by
6.4k points
4 votes

Answer:


f(x) = - 2 {x}^(2) + x - 5 \\ f(3) = - 2 {(3)}^(2) + 3 - 5 \\ f(3) = - 20

User Matthias Braun
by
6.1k points
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