Q13 of 292 Page 549

Show that is decreasing for all

Consider ,



for x ≥ 0 ,


f’(x) is -ve.


hence function is decreasing for x ≤ 0


More from this chapter

All 292 →
11

Show that is increasing all , where .

 12

Show that is decreasing for all , where .

 14

Show that is decreasing on .

 15

Show that is increasing on .