3 Suppose that f(x)dx = 9. Find the value of the following definite integrals. Complete parts (a) through (d). N . . . (a) f(u)du = (Type an exact answer, using radicals as needed.) 2 (b) 15f(z)dz = (Type an exact answer, using radicals as needed.) N N (c) f(t)dt= (Type an exact answer, using radicals as needed.) 3 (d) [-f(x) ]dx = (Type an exact answer, using radicals as needed.) 2