Find the inverse of f(x)

Algebra
Tutor: None Selected Time limit: 1 Day

Find the inverse of f(x) = 9+12x/3, if it exists. Enter any noninteger coefficient as a fraction. If there is no inverse, enter "none".

f to the -1 power(x)=

Aug 5th, 2014

f(x)= 9 + 12x/3

replace f(x) and x in equation and solve for f(x)

x=9+12f(x)/3

3x=27+12f(x)

3x/12=27/12+f(x)

f(x)=x/4-9/4

Aug 5th, 2014

Are you studying on the go? Check out our FREE app and post questions on the fly!
Download on the
App Store
...
Aug 5th, 2014
...
Aug 5th, 2014
Dec 11th, 2016
check_circle
Mark as Final Answer
check_circle
Unmark as Final Answer
check_circle
Final Answer

Secure Information

Content will be erased after question is completed.

check_circle
Final Answer