Pre-Calculus

Using the difference quotient to find M-sec for h=0.5 at x=1.

f(x)=2x+5

difference quotient-f(x+h)-f(x)/h

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  1. [2(1+.5) + 5 - (2(1)+5)]/.5
    = [3+5 - (2+5)]/.5
    = 1/.5
    = 2

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