cumulative frequency polygon of the lengths in metres of 20 fish that are caught by two fishermen. the interquartile range of the lengths of the fish is​

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)