Question
please help me
The following figure gives the graph of the derivative of a continuous function f that passes through the origin. Sketch a graph of f on the same set of axes. Choose the correct graph below. Find the intervals on which f is increasing and decreasing. Select the correct choice below and fill in any answer boxes within your choice. The function is decreasing on . The function is never increasing. (Type your answer in interval notation. Use a comma to separate answers as needed.) The function is increasing on . The function is never decreasing. (Type your answer in interval notation. Use a comma to separate answers as needed.) The function is increasing on and decreasing on . (Type your answers in interval notation. Use a comma to separate answers as needed.) Q D. The function is never increasing nor decreasing. Find the intervals on which f is increasing and decreasing. Select the correct choice below and, if necessary, fill in the answer box(es) within your choice. The function is increasing on and decreasing on . (Type your answers in interval notation. Type exact answers, using pi as needed. Use a comma to separate answers as needed.) The function is decreasing on . The function is never increasing. (Type your answer in interval notation. Type exact answers, using pi as needed. Use a comma to separate answers as needed.) The function is increasing on . The function is never decreasing. (Type your answer in interval notation. Type exact answers, using pi as needed. Use a comma to separate answers as needed.) The function is never increasing nor decreasing.
Explanation / Answer
1(B)
2(C) Increasing in interval [4,5] and decreasing in the interval [-infinity,4] U [5,+infinity]
3(A) Increasing on [-pi,-pi/2] U [0,pi/2] and decreasing on [-pi/2,0] U [pi/2,pi]
