Question

Given f(x) = 4x+1/3, solve for f-1(3).

Answer 1

2

4

6

8

Answer 2

Let f(x)=y
\[\LARGE y=4x + \frac{1}{3}\]
Solve for x.
\[\LARGE x=\frac{3y-1}{4}\]
Interchange x and y.
So your \[\Large f^{-1} =\frac{3x-1}{4}\]
Now,for \(\LARGE f^{-1}(3)=\frac{3(3)-1 }{4}\)=?

Answer 3

thank you so much! its 2