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Math Help - Slope of secant line

  1. #1
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    Lightbulb Slope of secant line

    Compute the slope of the secant line joining the points on the graph of f whose coordinates are x=1 and x=1.1
    Let f(x)=x^3
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  2. #2
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    Quote Originally Posted by lisa1984wilson View Post
    Compute the slope of the secant line joining the points on the graph of f whose coordinates are x=1 and x=1.1
    Let f(x)=x^3
    f(1.1) = (1.1)^3=1.331

    f(1)=1^3=1

    slope= \frac{f(1.1)-f(1)}{1.1-1}=...........

    finish it.
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  3. #3
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    answer is 3.31

    Thanks! for some reason I had a 1-1 on the bottom instead of 1.1-1
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