Consider the parametric curve: I = 30 -12 At which & value(s) is the tangent to this curve vertical? ( Note: If there is more than one write them as a comma separated list) 1= Write the point(s) at which the tangent is vertical.( Note: If there is more than one write them as a comma separated list, e.g. (1,2).(3,4)) At which f value(s) is the tangent to this curve horizontal? ( Note, If there is more than one write them as a comma separated list). 1 = Write the point(s) at which the tangent is horizontal.( Note: If there is more than one write them as a comma separated list, e.g. (1,2),(3,4)) Use a graphing device to graph the curve and check your work