pls help me..solve f(x+h)-f(x); let f(x)=6x+7

I'm trying to solve this differnect quotion
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1 Answer

y(x)=6x+7

y(x+h)=6(x+h)+7

y(x+h) -y(x)=6h

derivativ...take limit dy//dx as dx gotu 0

for a line, its konstant...dx=h, dy=6h, so slope=6
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