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ihavemathquestions

  • 2 years ago

y = 2(4.5)^x

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  1. ihavemathquestions
    • 2 years ago
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  2. ihavemathquestions
    • 2 years ago
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  3. ihavemathquestions
    • 2 years ago
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  4. ihavemathquestions
    • 2 years ago
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  5. ihavemathquestions
    • 2 years ago
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    @nubeer

  6. nubeer
    • 2 years ago
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    ok .. are you allowed to use calculators?

  7. ihavemathquestions
    • 2 years ago
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    i dont have one on me :( i just need the answer. if i had a calculator i could do it but i dont so im freaking out :(

  8. nubeer
    • 2 years ago
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    ok.. y= 2(4.5)^x now put x=0 and find the value of y?

  9. ihavemathquestions
    • 2 years ago
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    9

  10. nubeer
    • 2 years ago
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    hmm no.. please do again y=2(4.5)^0

  11. ihavemathquestions
    • 2 years ago
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    2

  12. nubeer
    • 2 years ago
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    good.. now look on the all options.. and find on which graph at x=0 y is 2.... can you tell?

  13. ihavemathquestions
    • 2 years ago
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    the third?

  14. nubeer
    • 2 years ago
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    hmm well if you look carefully there are more then one option which have y=8 at x=0.. just see the graphs u have and match... look in first graph at x=0 y is 2 isnt it? and same on 3rd and 4th.. do u get?

  15. ihavemathquestions
    • 2 years ago
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    yeah its graph 1

  16. nubeer
    • 2 years ago
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    hmm yes and 3rd adn 4th too..

  17. nubeer
    • 2 years ago
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    now put x =1 y = 2(4.5)^1 y = 9 now look which graph line is passing through (0,2) and (1,9)

  18. ihavemathquestions
    • 2 years ago
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    D

  19. nubeer
    • 2 years ago
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    ahhh c'mon.. tell me honestly are u just guessing randomly? the points i told u dont match D.. if u want just answer i can tell u.

  20. ihavemathquestions
    • 2 years ago
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    It's C

  21. nubeer
    • 2 years ago
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    hmm no.. its option 1

  22. ihavemathquestions
    • 2 years ago
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    oh i knew that i said that earlier and u said no thats why i was guessing

  23. nubeer
    • 2 years ago
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    hmm but at that point i was asking u something different.. but never mind.

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