6. Let f be the function given by . Which of the following statements about are true? f I. is continuous at . f is differentiable at . II. f III. has an absolute maximum at . f 7. The graph of the derivative of the function, , is shown at the right. Locate the where there is a relative maximum. Justify. a. x-value(s) b. Locate the where there is a relative minimum. Justify. x-value(s)
6. Let f be the function given by . Which of the following statements about f are true? I. f is continuous at . II. f is differentiable at . III. f has an absolute maximum at . 7. The graph of the derivative of the function, , is shown at the right. a. Locate the x-value(s) where there is a relative maximum. Justify. b. Locate the x-value(s) where there is a relative minimum. Justify.