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woohoo

  • 2 years ago

Given the parent functions f(x) = log10 x and g(x) = 5x − 2, what is f(x) • g(x)? @ash2326

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  1. myininaya
    • 2 years ago
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    That symbol between f and g means to multiply.

  2. woohoo
    • 2 years ago
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    yes it does

  3. myininaya
    • 2 years ago
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    Ok, do you need anymore help then?

  4. woohoo
    • 2 years ago
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    lol yes I don't get the problem

  5. woohoo
    • 2 years ago
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    How do I do it?

  6. myininaya
    • 2 years ago
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    Take the expression that f is equal to and multiply it to the expression g is equal to.

  7. anonymous
    • 2 years ago
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    i.e. stick a times sign between them, or just write them next to each other

  8. woohoo
    • 2 years ago
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    How do I find out what each expression stands for?

  9. myininaya
    • 2 years ago
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    It is given to you f(x)=log_10(x) and g(x)=5x-2

  10. woohoo
    • 2 years ago
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    Yeah so how do I solve the expression?

  11. myininaya
    • 2 years ago
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    There is really nothing to do here just replace f(x) with what it equals and replace g(x) with what it equals in the expression f(x)*g(x)

  12. myininaya
    • 2 years ago
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    Like if I said f(x)=5x and g(x)=sin(x) then f(x)*g(x)=5x*sin(x)=5xsin(x)

  13. woohoo
    • 2 years ago
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    you lost me

  14. myininaya
    • 2 years ago
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    How about the example, if f(x)=2x and g(x)=e^x then f(x)*g(x)=2x*e^x=2xe^x

  15. woohoo
    • 2 years ago
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    Ok now I'm understanding you more, but i'm getting confused after the = sign.

  16. myininaya
    • 2 years ago
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    Or here is another example if f(x)=4x-2 and g(x)=9x then f(x)*g(x)=(4x-2)(9x) And if you want you could distribute and say f(x)*g(x)=(4x)(9x)-2(9x)=36x^2-18x

  17. myininaya
    • 2 years ago
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    All I'm doing is saying what f(x)*g(x) is given what f(x) equals and g(x) equals

  18. myininaya
    • 2 years ago
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    I'm just replacing f(x) with what it equals and replace g(x) with what it equals

  19. woohoo
    • 2 years ago
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    see I donnt know how to get the equal part

  20. myininaya
    • 2 years ago
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    You put an equal sign

  21. myininaya
    • 2 years ago
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    Or do you mean the part that follows the equal sign

  22. woohoo
    • 2 years ago
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    yes that

  23. myininaya
    • 2 years ago
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    the part that follows the equal sign is f(x)*g(x)

  24. woohoo
    • 2 years ago
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    after the equal part

  25. myininaya
    • 2 years ago
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    just the expressions they are equal to instead of saying f(x)*g(x)

  26. myininaya
    • 2 years ago
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    Like if I said f(x)=3 and g(x)=2 what is f(x)*g(x)?

  27. woohoo
    • 2 years ago
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    6

  28. myininaya
    • 2 years ago
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    yes or you could say 3*2 without simplifying right

  29. myininaya
    • 2 years ago
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    so what is complicated about what your problem is asking then?

  30. woohoo
    • 2 years ago
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    ok.. I'll be right back.

  31. myininaya
    • 2 years ago
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    |dw:1387336186336:dw|

  32. myininaya
    • 2 years ago
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    then you are done

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