Test:
Functions I - Normal
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Question 1:
If
f
(
x
)
=
x
+
1
, find
f
(
1
)
A
−
1
B
1
C
0
D
2
Question 2:
If
f
(
x
)
=
2
x
−
3
, find
f
(
2
)
A
1
B
−
2
C
7
D
0
Question 3:
If
f
(
x
)
=
1
2
x
+
5
, find
f
(
−
4
)
A
1
B
−
2
C
3
D
7
Question 4:
If
f
(
x
)
=
x
2
−
1
, find
f
(
−
1
2
)
A
−
3
4
B
−
1
2
C
−
1
1
4
D
−
1
1
2
Question 5:
If
f
(
x
)
=
−
1
3
x
2
−
3
, find
f
(
3
)
A
0
B
−
2
C
−
4
D
−
6
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