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radha94

  • 4 years ago

find y-int of f(x)=-5(0.7)

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  1. vinitkocharekar
    • 4 years ago
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    whr r u from

  2. radha94
    • 4 years ago
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    why does that matter

  3. radha94
    • 4 years ago
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    yessirr

  4. radha94
    • 4 years ago
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    gujurat

  5. vinitkocharekar
    • 4 years ago
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    ohh im from mumbai

  6. radha94
    • 4 years ago
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    cool

  7. vinitkocharekar
    • 4 years ago
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    wat do u do

  8. radha94
    • 4 years ago
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    school

  9. alice_smith
    • 4 years ago
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    i think u have to multipy 7 and 5

  10. radha94
    • 4 years ago
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    thanks ill try that!

  11. MJDakessian
    • 4 years ago
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    your missing a variable

  12. alice_smith
    • 4 years ago
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    i think u have to find thex mean idk

  13. vinitkocharekar
    • 4 years ago
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    yeah the question is improper

  14. radha94
    • 4 years ago
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    shizz i am -5(0.7)^ x

  15. alice_smith
    • 4 years ago
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    or u have to divide no multiply idk

  16. radha94
    • 4 years ago
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    f(x) = -5(0.7)^ x all the answer choices are coordinates

  17. dhatraditya
    • 4 years ago
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    is the question \[f(x) = -5(0.7)^{x}\]?

  18. radha94
    • 4 years ago
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    yess

  19. dhatraditya
    • 4 years ago
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    okay to find y intercept, equate f(x) to 0. so 0 = -5(0.7)^x or, 0.7^x =0 this means that x is undefined or negative infinity, depending on how you look at it.

  20. dhatraditya
    • 4 years ago
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    sorry positive infinity

  21. radha94
    • 4 years ago
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    thank you so much that makes sense

  22. alice_smith
    • 4 years ago
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    im soo confuse

  23. dhatraditya
    • 4 years ago
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    you are welcome

  24. MJDakessian
    • 4 years ago
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    its an exponential decay.. alice smith. it wont cross the x-axis.

  25. dhatraditya
    • 4 years ago
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    http://www.wolframalpha.com/input/?i=plot+-5*%280.7%29^x

  26. dhatraditya
    • 4 years ago
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    the graph meets the x axis at positive infinity

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