Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 150920: Evaluate f(x) = x2 - 3 for f(2): Evaluate f(x) = x2 - 3 for f(2)
Answer by jim_thompson5910(8066) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2 - 3 Start with the given equation.


f(2)=(2)^2 - 3 Plug in x=2.


f(2)=4-3 Square 2 to get 4.


f(2)=1 Combine like terms.