Evaluate the definite integrals using properties of the definite integral and the fact that 2 4 4 f(x) dx = -5, f (x) dx = 7, and g (x) dx = 2. 3 2 (a) 6f (x) dx = Number 3 4 (b) f (x) dx = Number 3 4 (c) (f (x) - g(x)) dx = Number 2 4 (d) (5f (x) + 6g (x)) dx = Number 2