f(x)=11x^2-5x+2, find (f(x)-f(a))/(x-a), let a=6

Calculate the difference quotient for f(x)= (3x -2)/x

Find the difference quotient (f(x+h)-f(x))/h , where h is not equal to zero for the function below: f(x)=5x^2 +3x Simplify the answer as much as possible.

so that means


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