Here are a few exercises using the Plot command
Plot[Sin[x],{x,-5,5}]
Plot[Sin[-x],{x,-5,5}]
Plot[-Sin[x],{x,-5,5}]
Plot[Sin[2*x],{x,-5,5}]
Plot[Sin[0.5*x],{x,-5,5}]
Plot[Sin[x+2],{x,-5,5}]
Plot[Sin[x-2],{x,-5,5}]
Plot[2*Sin[x],{x,-5,5}]
Plot[0.5*Sin[x],{x,-5,5}]
Plot[Sin[x]+2,{x,-5,5}]
Plot[Sin[x]-2,{x,-5,5}]
Return to Basic Mathematica Comamnds.