Algebra
posted by Kristi
Find the difference quotient and simplify your answer. Step by step. f(x) = 3x2 − 6x, f(x + h) − f(x) h , h ‚ 0

bobpursley
f(x)=3x^26x
f(x+h)=3(x+h)^2 6(x+h)
= 3x^2+6xh+3h^26x6h
so f(x+h)f(x)= 0x^20x+6xh3h^26h
dividing that by h then
6x3h6
as h approaches zero, then the difference quotent= 6x6
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