The following is the graph of the function f. -7 -6 -5 -4 -3 -2, N Increasing: Decreasing: -1 5- 3 2 1 -1 -2 -3 -4 -5 -6 -7- 2 3 4 5 6 Use the graph to find the intervals on which the function is increasing or decreasing.

Use the graph of f to find the largest open interval on which f is increasing, and the largest open interval on which f is decreasing. (Enter your answers using interval notation.) -2 y 6 4 Need Help? Read It 2 -2 -4 2 4 X Q (a) Find the largest open interval(s) on which f is increasing. (If two open intervals are equally large enter your answer as a comma-separated list of intervals.) (b) Find the largest open interval(s) on which fis decreasing. (If two open intervals are equally large enter your answer as a comma-separated list of intervals.) (

1. Which graphs represent polynomial functions? I. II. ←+ -6-4-2 A. I only 8 61 2 0 -2 2 6 B. II only K -6-4-2 C. both I and II LAY 2 -2 ST 2 14 D. neither I nor II

Use the graph at right to find the given function value by locating the input on the horizontal​ axis, moving directly up or down to the graph of the​ function, and then moving left or right to find the output on the vertical axis. Find ​f(1​).