Assignment08: Problem 11 (1 point) Let A(x) = xv + 4. Answer the following questions. 1. Find the interval(s) on which A is increasing. Answer (in interval notation): (-8/3 , inf) 2. Find the interval(s) on which A is decreasing. Answer (in interval notation): (-4, -8/3) 3. Find the local maxima of A. List your answers as points in the form (a, b). Answer (separate by commas): 4. Find the local minima of A. List your answers as points in the form (a, b). Answer (separate by commas): 5. Find the interval(s) on which A is concave upward. Answer (in interval notation): 6. Find the interval(s) on which A is concave downward. Answer (in interval notation): Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 4 times. Your overall recorded score is 33%. 3 HOW 4 24 attv