SOLUTION: Can you help my understand this proble? F(x) = x to the second power + 5x - 1 x=3

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Question 406366: Can you help my understand this proble?
F(x) = x to the second power + 5x - 1
x=3

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2+5x-1 (x=3)
f(3)=3^2+5*3-1
f(3)=23