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Pageantgirlaliyah
Pageantgirlaliyah Pageantgirlaliyah
  • 18-12-2016
  • Mathematics
Answered

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

Verified Answer :

Anonymous Anonymous
  • 18-12-2016

I hope this helps you

View image Anonymous
Answer Link
Blacklash
Blacklash Blacklash
  • 15-07-2019

Answer:

Option B is the correct answer.

Step-by-step explanation:

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

Finding inverse,

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

Option B is the correct answer.          

Answer Link

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