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: .