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anonymous

  • one year ago

The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x = 1 and x = 3.

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  1. anonymous
    • one year ago
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    @Hero

  2. anonymous
    • one year ago
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    @pooja195

  3. anonymous
    • one year ago
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  6. anonymous
    • one year ago
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    first find the value of function for 1 and 3 .then use this formula average rate of change=(y2-y1)/(x2-x1)

  7. anonymous
    • one year ago
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    so that's it?

  8. anonymous
    • one year ago
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    @amirreza1870

  9. Jack1
    • one year ago
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    yep, thats it

  10. anonymous
    • one year ago
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    thanks guys

  11. Jack1
    • one year ago
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    if not: y = mx + c m is the gradient... which is the rate of change

  12. Jack1
    • one year ago
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    in this case: y = 2x + 1 so c = 1 and m = 2...

  13. anonymous
    • one year ago
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    alright thanks

  14. Jack1
    • one year ago
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    np

  15. anonymous
    • one year ago
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    The average rate of change is given by: \[a.r.c. = \frac{f(x_1)-f(x_0)}{x_1-x_0}\]

  16. anonymous
    • one year ago
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    just plug in the values

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