Please help solve a-c

. . .- f(X) f(a) . . a. Use the denition mtan = 'm 7 to find the slope of the line tangent to the graph of f at P. x>a _ b. Determine an equation of the tangent line at P. c. Plot the graph of f and the tangent line at P. 3 3 f(x) = ;, P [g] <:> a. man = E (Type an integer or a fraction.)