130k views
20 votes
Which of the following is the inverse of F(x) = 2x + 3 ?

User Chikamichi
by
3.5k points

2 Answers

7 votes

Step-by-step explanation:

y=f(x)

y=2x+3

Switch the places of x and y:

x=2y+3

Solve for y:

2y=x−3

y=(x−3)/2

Thus inverse of f(x)= (x-3)/2

User IliaEremin
by
3.3k points
12 votes

Answer:

the coordinates for the graph are (3,0) and (0,-1.5)

Step-by-step explanation:

i just took the test

User Bogatron
by
3.1k points