3 Group 3
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Question 1.
If
cos
α
=
-
3
2
,
α
∈
(
0
,
π
)
, then
a)
tg
α
=
0
b)
tg
α
=
-
1
c)
tg
α
is not defined
d)
tg
α
=
-
3
3
e)
tg
α
=
3
3
Question 2.
Compute
lim
x
→
-
∞
(
2
x
2
+
1
x
2
+
2
)
-
x
.
a)
1
b)
2
c)
0
d)
+
∞
e)
1
2
Question 3.
The maximal domain of definition of the function
f
(
x
)
=
4
x
-
1
2
x
-
3
is
a)
⟨
0
,
3
2
)
∪
(
3
2
,
∞
)
b)
⟨
0
,
∞
)
c)
ℝ
-
{
3
2
}
d)
(
0
,
3
2
)
∪
(
3
2
,
∞
)
e)
ℝ
-
{
0
,
3
2
}
Question 4.
Compute
lim
x
→
+
∞
arcsin
3
x
4
x
+
1
.
a)
π
6
b)
π
3
c)
π
2
d)
0
e)
1
Evaluate