Evaluate the definite integrals using properties of the definite integral and the fact that
\int_(-3)^1 f(x)dx=-4,\int_1^2 f(x)dx=10, and \int_1^2 g(x)dx=6. (a)
\int_(-3)^1 7f(x)dx=(b)
\int_(-3)^2 f(x)dx=(c)
\int_1^2 (f(x)-g(x))dx=(d)
\int_1^2 (3f(x)+4g(x))dx=