b(X) = X^2 + 3

find / simplify b(a+h) -b(a) / h

I thought I knew how to do this, but the function of X is confusing me since there is no X variable in the Find.

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- Oct 9th 2012, 01:34 PMwolfwoodPlease help me with this function.
b(X) = X^2 + 3

find / simplify b(a+h) -b(a) / h

I thought I knew how to do this, but the function of X is confusing me since there is no X variable in the Find. - Oct 9th 2012, 01:40 PMskeeterRe: Please help me with this function.

expand the numerator and combine like terms, then factor ... you should get the in the denominator to divide out - Oct 9th 2012, 01:47 PMwolfwoodRe: Please help me with this function.
This helps a lot, thank you. I will be a returning customer =P