20. MAKE SURE TO FOLLOW THE INSTRUCTIONS IT MUST BE WRITTEN IN LIMIT OTHERWISE NO CREDIT WILL BE GIVEN. DONT FORGET TANGENT LINE AT X=1

20. (8 pts) Use a limit definition for the derivative to determine an equation of the tangent line at x = 1 f (x) = 3x2 - x+2 (NO credit if you don't use a limit)