Which of the following statements is/are true? i. f(x) is increasing on the interval (0, 5). ii. f(x) has a point of inflection at x = 3. iii. f'(x) = 10.5? 1) Only statement i is true 2) Only statement ii is true 3) Only statement iii is true 4) Statements i and ii are true 5) Statements i and iii are true 6) Statements ii and iii are true 7) All statements are true 8) None of the statements are true