1. 2. Find the equation of the line tangent to the function at the specified iocaon. a. Jx) 2x3 six +3atx=1 h. Jf[x) :(x2 +3)(x 2) atx : [J Find the derivative of the given functions. 3 x +2x 1 a. x) :x2 _ 1 b. x) =(x2 1]? . Calculate the desired derivative of x) :x5 3x3 +2x 1. a. FIX) '3- fmt] . An employees monthlv productivity, M, in number of units produced. is found to he a function of the number of years of service I. Fer a certain product the productivity function is given by M (t) : 3t2 +18t +12. a. What is rate of change in productivity after 12 years of service? [I' his is the Marginal Productivity of the employee.) to. When is the rate of change in productivityr equal to zero