anonymous
  • anonymous
Algebra 2 help please!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
anonymous
  • anonymous
You have \(f(x)=\frac{3x+2}{4}\) Where \(x=number \phantom{.} of \phantom{.} texts\) and \(f(x)=\)The cost of all those texts. So they tell you that she has 24 dollars. This number represents "The cost of all those texts" So to how many texts that is (which is your x), Replace "\(f(x)\)" with \(24\), and solve for \(x\)!
anonymous
  • anonymous
but it has to be in the inverse?? so don't i have to put it in inverse form and then.. Put x in for 24?

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anonymous
  • anonymous
@KeithAfasCalcLover
anonymous
  • anonymous
You would have \(\frac{3x+2}{4}=24\) And then solve for x
anonymous
  • anonymous
x would be your number of texts for 24 dollars
anonymous
  • anonymous
yes.. but don't i do that after the problem is in-versed
anonymous
  • anonymous
@KeithAfasCalcLover
anonymous
  • anonymous
Not necessarily! You could do it without inversing anything! Just solving or x! \[24=\frac{3x+2}{4}\] \[24*4=3x+2\] \[(24*4)-2=3x\] \[\frac{(24*4)-2}{3}=x\]
anonymous
  • anonymous
And then you just calculate the numbers to find x!
anonymous
  • anonymous
ooh i see... Thanks.(:
anonymous
  • anonymous
Oh and this is just a heads up! If you get a fraction like I don't know like \(x=25\frac{1}{3}\) (Which isn't the answer before you get excited ;-) ) Then you know that the person can make a third of a text so you would just round down to \(25\).
anonymous
  • anonymous
*that person CANNOT make a third of a text

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