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anonymous

  • one year ago

Find the rate of change of the function h(x) = 4x – 3 on the interval 0 ≤ x ≤ 1. The rate of change is?

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  1. Vocaloid
    • one year ago
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    rate of change from x = A to x = B for h(x) is [h(B)-h(A)]/(B-A) let B = 1 and A = 0, then evaluate the expression

  2. anonymous
    • one year ago
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    how do I set this up?

  3. Vocaloid
    • one year ago
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    [h(1)-h(0)]/(1-0)

  4. sparrow2
    • one year ago
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    first fing came to my was derivative but it doesn't need it ;)

  5. anonymous
    • one year ago
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    [h(1)-h(0)]/(1-0)

  6. anonymous
    • one year ago
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    was that the answer?

  7. Vocaloid
    • one year ago
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    no, you still need to plug in h(1), h(0), and simplify the denominator...

  8. Vocaloid
    • one year ago
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    what is h(1)?

  9. anonymous
    • one year ago
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    idk im lost please explain :(

  10. Vocaloid
    • one year ago
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    h(x) = 4x-3 so what is h(1)?

  11. anonymous
    • one year ago
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    4?

  12. Vocaloid
    • one year ago
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    no, please try again h(1) means let x = 1 and calculate h(x) if h(x) = 4x - 3 and x = 1 then what is h(x)?

  13. anonymous
    • one year ago
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    idk

  14. Vocaloid
    • one year ago
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    h(x) = 4x - 3 and x = 1 replace "x" with "1" and solve h(x) = 4x -3

  15. anonymous
    • one year ago
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    so whats the answer and then explain please

  16. Vocaloid
    • one year ago
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    x = 1 so what is 4x - 3?

  17. anonymous
    • one year ago
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    the answer is 1?

  18. Vocaloid
    • one year ago
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    right, 4x - 3 = 1 when x = 1 BUT we are not done yet h(1) = 1, since h(x) = 1 when x = 1 now, we need to find h(0) if x = 0, and h(x) = 4x - 3, then what is h(x)?

  19. anonymous
    • one year ago
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    4

  20. Vocaloid
    • one year ago
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    no, please try again... x = 0 4x - 3 = ?

  21. anonymous
    • one year ago
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    1

  22. Vocaloid
    • one year ago
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    no, one more time please x = 0 4x - 3 = 4*(0) - 3 = ?

  23. anonymous
    • one year ago
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    3

  24. Vocaloid
    • one year ago
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    what is 4*0?

  25. anonymous
    • one year ago
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    0

  26. Vocaloid
    • one year ago
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    yes, so what is 4*0 - 3?

  27. anonymous
    • one year ago
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    -3

  28. Vocaloid
    • one year ago
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    good, so we know that h(0) = -3 and h(1) = 1 so, what is [h(1)-h(0)]/(1-0)?

  29. anonymous
    • one year ago
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    i cant read that

  30. Vocaloid
    • one year ago
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    |dw:1436822012814:dw| better?

  31. Vocaloid
    • one year ago
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    evaluate the numerator first, then the denominator, then tell me what you get

  32. anonymous
    • one year ago
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    1 over 1

  33. Vocaloid
    • one year ago
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    not quite, try the numerator again... h(1) = 1 h(0) = -3 h(1)-h(0) = ?

  34. anonymous
    • one year ago
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    idk

  35. Vocaloid
    • one year ago
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    we know that h(1) = 1 and h(0) = -3 replace "h(1)" with 1 and "h(0)" with -3 what is h(1)-h(0)?

  36. Vocaloid
    • one year ago
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    |dw:1436822235650:dw|

  37. anonymous
    • one year ago
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    -3

  38. Vocaloid
    • one year ago
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    |dw:1436822597360:dw|

  39. Vocaloid
    • one year ago
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    what is 1-(-3)?

  40. anonymous
    • one year ago
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    hey buddy whats thw anser please

  41. anonymous
    • one year ago
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    then explain it

  42. anonymous
    • one year ago
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    because i am really lost right now

  43. Vocaloid
    • one year ago
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    |dw:1436823130155:dw|

  44. Vocaloid
    • one year ago
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    our numerator is h(1) - h(0) h(1) = 1 h(0) = -3 so h(1) - h(0) = 1 - (-3) = ?

  45. anonymous
    • one year ago
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    -2

  46. Vocaloid
    • one year ago
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    1 - (-3) = 1 + 3 = ?

  47. anonymous
    • one year ago
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    4

  48. Vocaloid
    • one year ago
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    right, so we know that h(1) - h(0) = 4 now, can you tell me what this equals? |dw:1436823630938:dw|

  49. anonymous
    • one year ago
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    equals -3

  50. Vocaloid
    • one year ago
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    not quite, please try one more time... |dw:1436824260512:dw|

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