Pageantgirlaliyah
Pageantgirlaliyah Pageantgirlaliyah
  • 19-12-2016
  • Mathematics
contestada

What is the inverse of the function below?
f(x)=2x+12/5
A.) f^-1(x)=5/2x+12
B.) f^-1(x)=5/2x-6
C.) f^-1(x)=-2x-12/5
D.) f^-1(x)=14/5x

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Аноним Аноним
  • 19-12-2016
I hope this helps you
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Answer Link
Blacklash
Blacklash Blacklash
  • 15-07-2019

Answer:

Option B is the correct answer.

Step-by-step explanation:

[tex]\texttt{We have }f(x)=y=\frac{2x+12}{5}[/tex]

Finding inverse,

          [tex]y=\frac{2x+12}{5}\\\\5y=2x+12\\\\2x=5y-12\\\\x=\frac{5y-12}{2}\\\\f^{-1}(x)=\frac{5x-12}{2}=\frac{5}{2}x-6[/tex]

Option B is the correct answer.          

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