SOLUTION: let f(x)=2x^2 and evaluate (f(x)-f(a))/(x-a)

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Question 882247: let f(x)=2x^2 and evaluate (f(x)-f(a))/(x-a)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
(f(x)-f(a))/(x-a)=
(2x^2-2a^2)/(x-a)=
2((x+a)(x-a))/(x-a)=
2x+2a