AB Review 02, Use your calculator ONLY on #11.
dy
2
x ,
1
1. If
y
xy x
, then when
1
is
dx
1
1
(A)
(B)
(C) 1
(D) 2
(E) nonexistent
2
2
d
2
f x
x
x
f
x
2. If
2
, then
ln
dx
2ln
x
2
2
2
x
2
(B) 2 ln
x
x
2
(C) 2ln
x
2
2ln x
(A)
(D)
(E)
x
x
x
3
x
for
x
0
3. Let f be the function defined by
f x
. Which of the following statements about f is
x
for
x
0
true?
x
0
(A) f is an odd function
(B) f is discontinuous at
(C) f has a relative maximum
f
x
0
(D)
0
0
(E)
f x
0
for