We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
135
2
avatar+152 

What is the inverse of the given relation?

 

y = 3x + 12

 Apr 11, 2019
 #1
avatar+18963 
+3

y=3x+12    Solve for 'x'

(y-12)/3 = x       then switch the 'x' and 'y's

(x-12)/3 = y

 

or    y = 1/3 x -4

 Apr 11, 2019
 #2
avatar+65 
+2

Flip the x and the y, so it becomes \(x=3y+12\)

Then just solve for y

\(x-12=3y+12-12\)

\(\frac{x-12}{3}=\frac{3y}{3}\)

\(\frac{x}3-4=y\)

So the inverse is \(\frac{x}3-4=y\)

.
 Apr 11, 2019

25 Online Users

avatar
avatar
avatar
avatar
avatar