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Math Help - Average rate of change as x move from 1 to 3

  1. #1
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    Average rate of change as x move from 1 to 3

    f(x)=3x+1

    Thank you.
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by beachbunny619 View Post
    f(x)=3x+1

    Thank you.
    The average rate of change is defined as \frac{f(b)-f(a)}{b-a}

    In your case, you need to evaluate \frac{f(3)-f(1)}{3-1}, where f(x)=3x^2+1

    Can you take it from here?

    --Chris
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  3. #3
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    Huh???
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  4. #4
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    Quote Originally Posted by Chris L T521 View Post
    The average rate of change is defined as \frac{f(b)-f(a)}{b-a}

    In your case, you need to evaluate \frac{f(3)-f(1)}{3-1}, where f(x)=3x^2+1

    Can you take it from here?

    --Chris
    What do I have to do?
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  5. #5
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    Quote Originally Posted by beachbunny619 View Post
    What do I have to do?
    Do the arithmetic!!
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