Graphing Logarithmic Functions Answers
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1
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What are the domain and range of ?
A
domain: x > 0; range: all real numbersB
domain: x < 0; range: all real numbersC
domain: x > 5; range: y > 5D
domain: x > 5; range: y > –52
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What are the domain and range of ?
A
domain: x > –6; range: y > 4B
domain: x > –6; range: all real numbersC
domain: x > 6; range: y > –4D
domain: x > 6; range: all real numbers3
Which function is shown in the graph below?
A
y = log Subscript 0.4 Baseline x
B
y = log Subscript 1 Baseline x
C
y = log Subscript 3 Baseline x
D
y = log Subscript 10 Baseline x
4
Which of the following is the inverse of ?
A
y = StartFraction 1 Over 3 Superscript x Baseline EndFraction
B
y = log Subscript 3 Baseline x
C
y = (one-third) Superscript x
D
y = log Subscript one-third x
5
What is the range of ?
A
all real numbers less than 0B
all real numbers greater than 0C
all real numbers not equal to 0D
all real numbers6
Which is the graph of a logarithmic function?
A
On a coordinate plane, a curve starts in quadrant 4 and curves up into quadrant 1.
B
On a coordinate plane, a straight line is shown.
C
On a coordinate plane, a hyperbola is shown.
D
On a coordinate plane, a parabola is shown.
7
Which statement is true?
A
is not a logarithmic function because the base is greater than 0.
B
is not a logarithmic function because the base is a square root.
C
is not a logarithmic function because the base is equal to 1.
D
is not a logarithmic function because the base is a fraction.
8
Which table represents the graph of a logarithmic function in the form when ?
A
mc029-3.jpg
B
mc029-4.jpg
C
mc029-5.jpg
D
mc029-6.jpg
9
Which is the graph of a logarithmic function?
A
On a coordinate plane, a hyperbola is shown.
B
On a coordinate plane, a straight line is shown.
C
On a coordinate plane, a parabola is shown.
D
On a coordinate plane, a curve starts in quadrant 4 and curves up into quadrant 1.
10
Which properties are present in a table that represents a logarithmic function in the form when ?I. The y-values are always increasing or always decreasing.II. The point (0, 1) exists in the table.III. The y-values will decrease rapidly as the x-values approach zero.IV. There will only be one x-value in the table with a y-value of zero.
A
I onlyB
I and II onlyC
I, III, and IVD
II and III onlyDid you find these answers helpful?
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