Which polynomial function f(x) has a leading coefficient of 1, roots of -5, 3 and 6 with multiplicity 1, and root -2 with multiplicity 3? 1. f(x) = 3(x+2)(x+5)(x-3)(x-6)
2. f(x) = 3(x-2)(x-5)(x+3)(x+6)
3. f(x) = (x+2)(x+2)(x+2)(x+5)(x-3)(x-6)
4. f(x) = (x-2)(x-2)(x-2)(x-5)(x+3)(x+6)