To solve for the value of x from the graph:
[tex]\text{when f(x) = 3}[/tex]
From the desmos graph,
y = 2x - 1
Now let's set y = 3:
[tex]\begin{gathered} y=2x-1 \\ 3=2x-1 \\ 3+1=2x \\ 4=2x \\ x=\frac{4}{2} \\ x=2 \end{gathered}[/tex]
Therefore when f(x) =3 the value of x is 2
