SOLUTION: Substitute 3 for x and solve : f(x) = x^2 - 10x + 9

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Question 799766: Substitute 3 for x and solve :
f(x) = x^2 - 10x + 9
Answer by waynest(281) About Me  (Show Source):
You can put this solution on YOUR website!
f(3) = 3^2 - 10(3) + 9
f(3) = 9 - 30 + 9
f(3) = 18 - 30
f(3) = -12