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Evaluate the definite integrals using properties of the definite integral and the fact that 3 4 f(x) dx = -3, f (x) dx = 10, and g (x) dx = 4. 3 J3 3 (a) 9f (x) dx = Number 4 4 (b) f (x) dx = Number 4 4 ( c ) J3 (f (x) - g(x)) dx = Number 4 (d) (3f (x) + 4g(x)) dx = Number 3