Determine the values of the constants B and C so that the function given below is differentiable. 3x f(x) = x 1 a) O {B = -3, C=3} b) O {B= -6, C = 3} c) O {B = 0, C = 3} d) O {B = 3, C= 3} e) O {B = 3, C = 0}