Test:
Exponential and Logarithmic Functions - Challenging
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Question 1:
Find a point of intersection of a function
y
=
e
x
−
1
+
2
and y-axis
A
0
;
2
B
1
;
2
C
1
;
3
D
4
;
2
Question 2:
Which graph represents function:
y
=
−
5
−
x
−
1
A
B
C
D
Question 3:
Find roots of a function
y
=
ln
x
by plotting a graph
A
x
=
±
1
B
x
=
−
1
C
x
=
3
D
x
=
1
Question 4:
Find root of a function
y
=
e
x
−
2
−
1
by plotting a graph
A
x
=
0
B
x
=
2
C
x
=
4
D
x
=
1
Question 5:
Find
t
in the equation
y
=
log
10
2
x
+
t
A
t
=
−
2
B
t
=
1
C
t
=
3
D
t
=
−
3
Question 6:
Find
t
in the equation
y
=
e
x
+
1
+
t
if a graph of a function:
A
t
=
0
B
t
=
−
2
C
t
=
−
1
D
t
=
2
Question 7:
Which function represents the following graph:
A
y
=
−
e
x
B
y
=
e
x
C
y
=
log
1
5
x
D
y
=
log
5
x
Question 8:
Which function represents the following graph:
A
y
=
1
2
x
B
y
=
log
1
2
x
C
y
=
log
2
x
D
y
=
2
x
Question 9:
Find
t
in the equation
y
=
2
x
+
t
, if a graph of the function is:
A
t
=
2
B
t
=
3
C
t
=
4
D
t
=
1
Question 10:
Find zero of a function
y
=
1
2
x
+
2
−
1
by plotting a graph
A
x
=
−
1
B
x
=
−
1
2
C
x
=
0
D
x
=
−
2
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