State whether the data given is continuous (C) or discrete (D):
a. The function y = 3x for D: {-4 b. The size of an A4 paper
c. The thickness on this paper
d. The function f(x) = wx +b where w and b are constants (parameters)
e. The function y = π for D: {0, 1, 2}
h. {(3, -2), (5, -1), (4, 0), (3, 1)}
j. y = 3x − 5; D : {− 1, 0, 1, 3, 5}