Consider the piece-wise defined function below. 12 + sin (* x ), XS 3 f ( x ) = X - 6 X + 1' X > 3 (a) Find f(3) = 13 (b) Find x so that f(x) = 0. X= 6 (c) Is f(x) continuous on the interval [0, 4]? ---Select--- (d) Is f(x) continuous on the interval [4, 5]? ---Select