# Given #f(x) = (x+3)/2#, what is #f^-1(x)#?

##### 2 Answers

Apr 24, 2018

#### Explanation:

swap

Apr 24, 2018

#### Explanation:

#"let "y=(x+3)/2#

#"rearrange making x the subject"#

#rArrx+3=2y#

#rArrx=2y-3#

#"this is usually expressed in terms of x"#

#rArrf^-1(x)=2x-3#