Identify and calculate the area for each polygon

Let a and b be real numbers where a not equal to b not equal to 0. which of the following functions could represent the graph below? 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)