1. (9 points) Suppose f(x) is a function whose graph is shown below (not to scale).
   

(-4,4)

(-2,-1)

y

(0,2)

(5,3)

(6,1)

X

(1,-3)

For the following, you may express interval answers either in interval notation (e

tervals (22, 55) and [-16, 3]") or by inequalities (e.g., "for x > 325").

On which interval or intervals (values of x) is the function f(x) increasing

At which value(s) of x does f(x) have a relative maximum?