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anonymous

  • one year ago

Which of the following is a function equivalent to f(x) = 4(1.8)2^x? A) f(x) = 4(3.24)^x B)f(x) = 4(3.24^x) C)f(x) = 12.96^x D)f(x) = 51.84^x

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  1. anonymous
    • one year ago
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    @amoodarya

  2. anonymous
    • one year ago
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    @jim_thompson5910 @Anna-Rose @Michele_Laino @mathmate

  3. jdoe0001
    • one year ago
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    \(\large f(x) = 4\cdot (1.8)\cdot 2^x?\)

  4. anonymous
    • one year ago
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    i need to solve or what?

  5. jdoe0001
    • one year ago
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    nope, just find another equation that is the same, just expanded differently or factored

  6. anonymous
    • one year ago
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    factored? :/

  7. jdoe0001
    • one year ago
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    hmm can you post a quick screenshot of the material?

  8. anonymous
    • one year ago
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    i can take a screeshot, but u not understand the question?

  9. jim_thompson5910
    • one year ago
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    Something seems off. I agree with jdoe0001. A screenshot would be best.

  10. anonymous
    • one year ago
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    i cant take a pic :(

  11. jim_thompson5910
    • one year ago
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    ok try to draw it out

  12. anonymous
    • one year ago
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    draw the question? or the answer choices?

  13. jim_thompson5910
    • one year ago
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    the question

  14. jdoe0001
    • one year ago
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    @EmilyF03 check your phone, chances are it does have a camera, also your computer may have one, if it's on paper, just shoot it there if it's on the screen, just use the PrinScreen button

  15. anonymous
    • one year ago
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    im on the comp of my cousin, but i try to

  16. jdoe0001
    • one year ago
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    well.... hmmm surely he/she's got a camera on it anyway :)

  17. anonymous
    • one year ago
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    wait let me draw

  18. jdoe0001
    • one year ago
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    bet he/she loads bunches of cake-eating pics to facebook weekly with it anyway =)

  19. anonymous
    • one year ago
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    |dw:1437175996160:dw|

  20. anonymous
    • one year ago
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    2^x

  21. anonymous
    • one year ago
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    thats make sense?

  22. jim_thompson5910
    • one year ago
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    I meant drawing like this |dw:1437176096884:dw|

  23. jim_thompson5910
    • one year ago
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    where you use the pen(cil) tool

  24. anonymous
    • one year ago
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    oh wait

  25. anonymous
    • one year ago
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    |dw:1437176254153:dw|

  26. jim_thompson5910
    • one year ago
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    thanks, much better

  27. anonymous
    • one year ago
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    ok, finally

  28. jim_thompson5910
    • one year ago
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    the \(\Large (1.8)^{2x}\) can be turned into \(\large (1.8^2)^{x}\) |dw:1437176410031:dw|

  29. jim_thompson5910
    • one year ago
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    what is 1.8^2 equal to?

  30. anonymous
    • one year ago
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    3.24?

  31. jim_thompson5910
    • one year ago
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    so \[\Large 4(1.8)^{2x} = 4(3.24)^x\]

  32. jim_thompson5910
    • one year ago
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    I used the rule \[\Large x^{y*z} = (x^y)^z\]

  33. anonymous
    • one year ago
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    oh okay, so the answer its A?

  34. jim_thompson5910
    • one year ago
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    yeah

  35. anonymous
    • one year ago
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    THANK YOU!!!

  36. jim_thompson5910
    • one year ago
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    no problem

  37. anonymous
    • one year ago
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    I HAVE one more question can you help me?

  38. jim_thompson5910
    • one year ago
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    sure

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