​​​f(x+h)-f(x) / h f(x)= 8x+5 f(x+h)-f(x) / h =???? simplify

Algebra
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f(x+h)-f(x) / h

f(x)= 8x+5

f(x+h)-f(x) / h =???? simplify 

Jun 7th, 2015

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f(x)= 8x+5

f(x+h)= 8(x+h)+5=8x+8h+5

f(x+h)-f(x) / h = 8x+8h+5-8x-5/h=8h/h= 8

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Jun 7th, 2015

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