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iiamentertainment

  • one year ago

Can Someone explain this y = 2(4.5)^x Graph

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  1. eyust707
    • one year ago
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    Just plug in a few x's..

  2. slaaibak
    • one year ago
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    |dw:1357253305765:dw|

  3. iiamentertainment
    • one year ago
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    @slaaibak what about y = 4(1/5)^x

  4. slaaibak
    • one year ago
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    When x = 0, y = 2 you can see this by plugging in zero: y = 2 * 4.5^0 = 2 * 1 = 2 Rest follows from the shape of an exponential function.

  5. slaaibak
    • one year ago
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    rewrite as: \[y = 4 \times 5^{-x}\] now it's pretty easy to draw.

  6. iiamentertainment
    • one year ago
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    |dw:1357253564128:dw| @slaaibak is this what it would look like ?

  7. slaaibak
    • one year ago
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    nope. |dw:1357254130231:dw|

  8. iiamentertainment
    • one year ago
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    @slaaibak thats not one of my choices

  9. slaaibak
    • one year ago
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    then your choices are wrong. note it should be more concave |dw:1357254665976:dw|

  10. iiamentertainment
    • one year ago
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    @slaaibak what about y = 3(2)^(x + 1) – 4

  11. iiamentertainment
    • one year ago
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    @slaaibak

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