show all the steps Consider the graph below Answer the follo

show all the steps

Consider the graph below. Answer the following questions (you may assume nothing strange is happening outside the window shown) a) On which x-intervals is the graph increasing b) On which x-intervals is the graph decreasing?

Solution

a) interval in which graph is increasing

[ -3 , 0 ]
Then again x = 3 onwards

[ 3, infinity)

b) Interval in which graph is decreasing

( - inf , -3 ]

and [ 0 , 3 ]