Question 330374
Just like any other function.
Choose x values.
Calculate y values.
Plot x,y points.
Connect the points with lines.
Log function require positive arguments.
{{{x=1/4}}}, {{{y=log((1/4))=-0.602}}}
{{{x=1/2}}},{{{y=log((1/2))=-0.301}}}
{{{x=1}}},{{{y=log((1))=0}}}
{{{x=2}}},{{{y=log((2))=0.301}}}
{{{x=5}}},{{{y=log((5))=0.602}}}
{{{x=10}}},{{{y=log((10))=1}}}
.
.
.
{{{drawing(300,300,-2,12,-2,2,grid(1),
circle( 1/4,-0.602,0.3),
circle(1/2,-0.301,0.3),
circle(1,0,0.3),
circle(2,0.301,0.3),
circle(5,0.602,0.3),
circle(10,1,0.3),
line(1/4,-0.602,1/2,-0.301),
line(1/2,-0.301,1,0),
line(1,0,2,0.301),
line(2,0.301,5,0.602),
line(5,0.602,10,1),
line(10,1,15,1.17),
graph(300,300,-2,12,-2,2,log(x)))}}}
.