Question 178910
</pre><font size=4><b>
Given:y=4x-2

{{{f(x)=0}}}
{{{y=4*0-2}}}
{{{highlight(y=-2)}}}
{{{f(y)=0}}}
{{{0=4x-2}}}
{{{4x=2}}}----->{{{cross(4)x/cross(4)=cross(2)1/cross(4)2}}}
{{{highlight(x=1/2)}}}
{{{drawing(400,400,-4,4,-4,4,grid(1),graph(400,400,-4,4,-4,4,4x-2),green(circle(1/2,0,.12)),green(circle(0,-2,.12)))}}}
Thank you,
Jojo</pre>