Bri Wilson 05/04/22 Homework: Homework 4 Question 3, 4.1.49 HW Score: 5.26%, 1 of 19 Part 1 of 3 points O Points: 0 of 1 Find the intervals on which f(x) is increasing and the intervals on which f(x) is decreasing. Then sketch the graph. Add horizontal tangent lines. f(x) =7+4x -x2 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The function is increasing on (Type your answer using interval notation. Use a comma to separate answers as needed.) O B. There is no solution