(f(x+h)-f(x))/h
= (4(x+h)3-2(x+h)-4x3+2x)/h
= (4x3 + 12x2h + 12xh2 + 4h3 - 2x - 2h - 4x3 + 2x)/h
= (12x2h + 12xh2 + 4h3 - 2h)/h
= 12x2 + 12xh + 4h2 - 2
Marina H.
asked • 01/28/18How to find the difference quotient
4x3-2x
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