Let a and b be real numbers where ab0. Which of the following functions could represent the graph below?
W
f(x) = x(x-a)³(x-b)3
f(x) = (x-a)2(x-b)4
f(x) = x(x-a)6(x-b)2
f(x) = (x-a)5(x-b)
13