Insta Photo by @showchoirperks -September 25, 2015 at 04:02AM

Dear Calculus, Why do I need to know how to find the derivative of equations and be able to know if it has a tangent line & if it does, what the normal line is? Sincerely, I plan on majoring in broadcast journalism at IU so bye via Instagram http://ift.tt/1G8neH0