SOLUTION: Let f(x)=6x+3. Find f(x)-f(a) divided by x-a, if x does not equal a. My question is do I simply plug in x and then plug a and simplify? So the answer would be 3?

Question 711160: Let f(x)=6x+3. Find f(x)-f(a) divided by x-a, if x does not equal a.
My question is do I simply plug in x and then plug a and simplify? So the answer would be 3?
Answer by tutor_paul(519) (Show Source): You can put this solution on YOUR website!
Not sure how you got 3... See below:

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Find f(x)-f(a) divided by x-a:

Factor out 6 from the numerator:

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Good Luck,
tutor_paul@yahoo.com
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