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anonymous

  • 4 years ago

The average rate of change on the interval -3 <= x <= 4 is? f(-3 ) = 45 f(4 ) = 31

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  1. myininaya
    • 4 years ago
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    \[\frac{f(4)-f(-3)}{4-(-3)}\]

  2. anonymous
    • 4 years ago
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    7?

  3. myininaya
    • 4 years ago
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    formula for slope is also the formula for average rate of change

  4. anonymous
    • 4 years ago
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    do you plug in the 45 and 31 for the f(x)s?

  5. anonymous
    • 4 years ago
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    or is just 7?

  6. myininaya
    • 4 years ago
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    you are given f(4) which is 31 and f(-3) which is 45

  7. anonymous
    • 4 years ago
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    ooh ok

  8. anonymous
    • 4 years ago
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    so the equation should look like this 31-(45)

  9. myininaya
    • 4 years ago
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    the expression is \[\frac{31-45}{4-(-3)}\]

  10. anonymous
    • 4 years ago
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    -14/7 is the anwser?

  11. myininaya
    • 4 years ago
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    which can be simplified to ??

  12. anonymous
    • 4 years ago
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    2

  13. myininaya
    • 4 years ago
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    what about the negative?

  14. anonymous
    • 4 years ago
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    -2 then

  15. myininaya
    • 4 years ago
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    yes! :)

  16. anonymous
    • 4 years ago
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    yeaaa thanx

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