WeBWorK using host: https://math-webwork3.unl.edu, format: simple seed: 123567890

Using the graph of below, answer the following questions.

a) Where is ?
(Enter an interval or a union of intervals.)

b) Where is ?
(Enter an interval or a union of intervals.)

c) Where is ?
(Enter a list of values, separated by commas.)

d) Where is increasing?
(Enter an interval or a union of intervals.)

e) Where is decreasing?
(Enter an interval or a union of intervals.)

NOTE:
When using interval notation in WeBWorK, remember
that: use 'U' for multiple intervals, for example if you are increasing on both intervals and then write as: .