anonymous
  • anonymous
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Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
anonymous
  • anonymous
the first one just means subtract use parentheses \[5x+4-(2x+5)\]
anonymous
  • anonymous
you get a polynomial, in fact you get a line the domain of any polynomial is all real numbers

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anonymous
  • anonymous
the second one just means divide \[\frac{5x+4}{2x+5}\]
anonymous
  • anonymous
to find the domain, set \(2x+5=0\) and solve for \(x\) then say "all real numbers except your answer"
anonymous
  • anonymous
IS THE FIRST ONE 3X-1?
anonymous
  • anonymous
1/3
anonymous
  • anonymous
and the second one is -4/5
anonymous
  • anonymous
yes, the first one is \(3x-1\)
anonymous
  • anonymous
and domain is x not equal to -5/2
anonymous
  • anonymous
that is for the domain of \(\frac{f(x)}{g(x)}\) yes domain for \(a\) is all real numbers
anonymous
  • anonymous
yes
anonymous
  • anonymous
i am not sure what you mean by "second one is -4/5"
anonymous
  • anonymous
for b when i divide i get that answer
anonymous
  • anonymous
looks like \(b\) has two parts
anonymous
  • anonymous
first answer is \(\frac{5x+4}{2x+5}\)
anonymous
  • anonymous
that is the entire answer you cannot simplify this in any way
anonymous
  • anonymous
so for both answers i leave them as functions? not fractions

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