How do you find the range of f(x)= 2/(3x-1)?

1 Answer
Mar 21, 2018

The range is RR -{0}

Explanation:

The function is

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

To find the range, proceed as follows

Let y=2/(3x-1)

Therefore,

y(3x-1)=2

y3x-y=2

3xy=(2+y)

x=(y+2)/(3y)

Therefore,

As the denominator is !=0

y!=0

The range is RR -{0}

graph{2/(3x-1) [-10, 10, -5, 5]}