please help .

Question 13 Four functions of the form y = are graphed below. Not yet answered Marked out of 1.00 Flag - - - -> question y = q( x y= r(x) 1 y = p(x) y = S(x) - - - When listed from least b-value to greatest b-value, the order of functions is Select one: O a. r, s, P, q O b. p , q, r, s O c. q , p , s , r O d. s, r, q, P