Question

23 x ( - 1 ) = 1 point -23 23​

Answer 1

Answer:

Correct option is

A

x

Given, f(x)=

3x−1

x+2

Therefore, f{f(x)}=f(

3x−1

x+2

)=

3(

3x−1

x+2

)−1

3x−1

x+2

+2

=

3x+6−(3x−1)

x+2+6x−2

=

7

7x

=x

Answer 2

$23 x ( - 1 ) = 1$

$- 23x = 1$

$x = \frac{ - 1}{23}$