Which of the three (3) statements are true? (i) A function is only differentiable when it is positive at every point in its domain. (ii) A differentiable function is continuous at every point in its domain. (iii) A continuous function is differentiable at every point in its domain. 0 (ii) only . 0 all three (3) statements are true 0 (iii) only 0 (i) only 0 (ii) and (iii) only 0 none of the the three (3) statements are true 0 (i) and (iii) only 0 (i) and (ii) only