sec22x – csc22x
sec22x csc22x
Non existent
-3
3
1
-1
0
–1
-1/3
0
1/3
1
ln 2
ln 8
ln 16
4
Non-existent
II and III only
I only
III only
I and II only
I and III only
0
1
e/2
e
Non-existent
1
e
1/e
2
0
1/11
9/11
-1/11
3/11
2/3
None of the above
3/4t
3/2t
3t
6t
3/2
ƒ is continuous for all real numbers.
ƒ has a minimum at x = 0.
ƒ is increasing for x > 0.
ƒ’(x) exists for all x.
ƒ”(x) is negative for x > 0.
½
2
0
Does not exist
–2
4
1
3
2
-2/3
-1
4/3
2/3
–2
1
2
-2
-1
0
I only
II only
II and III only
I and III only
I, II and III