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1 vote
If f(x) = 3x - 2, find f-1(x).

2 Answers

3 votes

Answer:

f-1(x)=x/3+2/3

Explanation:

Replace f(x) with Y

y=3x-2

interchange variables

x=3y-2

solve for y

rewrite equation

3y-2=x

add 2 to both sides

3y=x+2

divide both side by 3

3y/3=x/3+2/3

Y=x/3+2/3

User Oyinkan
by
6.6k points
3 votes

Answer:

x/3 +2/3

Explanation:

User Yjw
by
7.3k points