F(x) = – 3x^2 + 9x – 8 Find f(5)

asked Feb 21, 2021 104k views

5 votes

F(x) = – 3x^2 + 9x – 8
Find f(5)

by Mlimb

4.2k points

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2 votes

262
f(5)= -3(5)^2 + 9(5) - 8
f(5)= -15^2 + 45 - 8
f(5)= 225 + 45 - 8
f(5)= 270 - 8
f(5)= 262

Dave Yarwood answered Feb 22, 2021

3.9k points

5 votes

-38
F(5)=-3(5)^2+9(5)-8
F(5)= -75+37
F(5)=-38

4.0k points

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