For Activities 5 through 8, for each of the figures, a. identify the input interval...

For Activities 5 through 8, for each of the figures,

a. identify the input intervals for which the slopes are positive, negative, or zero for all input values in the interval.

b. for each interval identified in part a, indicate whether the steepness of the graph increases, decreases, increases and then decreases, decreases and then increases, or remains constant from left to right across the interval.