SOLUTION: If f(x)=mx+b, and k≠0, find f(x+k)-f(x) /k
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Question 993320: If f(x)=mx+b, and k≠0, find f(x+k)-f(x) /k
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
.
.
which becomes:
.
when you combine like terms in the numerator, the mx and the -mx cancel out and the b and the -b cancel out and you are left with:
.
the k in the numerator and the denominator will cancel out and you will be left with:
.
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