69.5k views
3 votes
Given the function(x)=5x+4, find its inverse

User Siddarth
by
7.8k points

2 Answers

5 votes
Make the function, f (x) into y. Then switch the variables y and x and solve for y : (x-4)/5
User Berta
by
8.2k points
3 votes
the inverse is the reflection across the identiy line, the y=x line basically switch x and y and solve for y f(x)=5x+4 y=5x+4 swtich x=5y+4 solve for y x-4=5y (x-4)/5=y finverse=(x-4)/5
User Bassel Alkhateeb
by
9.2k points