Evaluate the definite integrals using properties of the definite integral and the fact that 2 4 4 3 f(x) dx = -4, f (x) dx = 12, and g (x) dx = 2. 12 2 (a) 10f (x) dx = Number 3 4 (b) f (x) dx = Number 3 4 (c) (f (x) - g(x)) de = Number 2 4 (d) (5f (x) + 6g(x)) da = Number 2