Exam 4c - Logarithmic & Exponential Functions Worksheet Page 2
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2
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4MAC 1105 - College Algebra
Write the equation in its equivalent exponential form.
4) log b 8 = 3
4)
A) 8 b = 3
B) 8 3 = b
C) b 3 = 8
D) 3 b = 8
Write the equation in its equivalent logarithmic form.
3
5)
8 = 2
5)
1
1
1
A) log 8 3 =
B) log 8 2 =
C) log 2 8 =
D) log 2 8 = 3
2
3
3
Evaluate the expression without using a calculator.
1
6) log 3
6)
27
1
A) 9
B)
C) 3
D) -3
3
The graph of a logarithmic function is given. Select the function for the graph from the options.
7)
7)
A) f(x) = log 2 x
B) f(x) = log 2 (x + 2)
C) f(x) = log 2 x - 2
D) f(x) = log 2 (x - 2)
Evaluate or simplify the expression without using a calculator.
1
8) log
8)
10,000
1
1
A) -
B) 4
C)
D) -4
4
10,000
log 4.3
9) 9 10
9)
A) 387
B) 3.87
C) 13.1275
D) 38.7
10) ln e 2
10)
1
A)
B) 1
C) 2
D) e
2
2
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