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eli123

  • 2 years ago

HELPPPP

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  1. eli123
    • 2 years ago
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  2. satellite73
    • 2 years ago
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    the first one just means subtract use parentheses \[5x+4-(2x+5)\]

  3. satellite73
    • 2 years ago
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    you get a polynomial, in fact you get a line the domain of any polynomial is all real numbers

  4. satellite73
    • 2 years ago
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    the second one just means divide \[\frac{5x+4}{2x+5}\]

  5. satellite73
    • 2 years ago
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    to find the domain, set \(2x+5=0\) and solve for \(x\) then say "all real numbers except your answer"

  6. eli123
    • 2 years ago
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    IS THE FIRST ONE 3X-1?

  7. eli123
    • 2 years ago
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    1/3

  8. eli123
    • 2 years ago
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    and the second one is -4/5

  9. satellite73
    • 2 years ago
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    yes, the first one is \(3x-1\)

  10. eli123
    • 2 years ago
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    and domain is x not equal to -5/2

  11. satellite73
    • 2 years ago
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    that is for the domain of \(\frac{f(x)}{g(x)}\) yes domain for \(a\) is all real numbers

  12. eli123
    • 2 years ago
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    yes

  13. satellite73
    • 2 years ago
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    i am not sure what you mean by "second one is -4/5"

  14. eli123
    • 2 years ago
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    for b when i divide i get that answer

  15. satellite73
    • 2 years ago
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    looks like \(b\) has two parts

  16. satellite73
    • 2 years ago
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    first answer is \(\frac{5x+4}{2x+5}\)

  17. satellite73
    • 2 years ago
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    that is the entire answer you cannot simplify this in any way

  18. eli123
    • 2 years ago
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    so for both answers i leave them as functions? not fractions

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