SOLUTION: f(x)=x^3+3x^2-12x+7 x=3

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Question 867077: f(x)=x^3+3x^2-12x+7 x=3
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
It sounds like you want to find f(x) when x = 3. In other words, evaluate f(3).


f%28x%29=x%5E3%2B3x%5E2-12x%2B7


f%283%29=%283%29%5E3%2B3%283%29%5E2-12%283%29%2B7 Replace ALL copies of x with 3.


f%283%29=27%2B3%289%29-12%283%29%2B7


f%283%29=27%2B27-36%2B7


f%283%29=25