Please show all work to the problem so I understand how to do it. Thank you very much for your help.

Sunshine Gardens determines the following demand function during the early summer for tomato plants: ' _ 2x+300 'mx+n Where q is the number of plants sold per day when the price is x dollars per plant. q=D@) a) Graph the function: xD'7(x) D(x) b) Find the elasticitJEOc) = - c) Find the elasticity when x=3 d) At $3 per plant, will a small increase in price cause r'otal revenue to increase or decrease