Pls help I will mark brainlist if correct !! :) HELP WITH BOTH PLS

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.