Graphing Exponential Functions Answers
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1
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Which function has a range of y < 3?
A
y = 3 (2) Superscript x
B
y = 3 (3) Superscript x
C
y = negative (2) Superscript x Baseline + 3
D
y = (2) Superscript x Baseline minus 3
2
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What are the domain and range of ?
A
The domain is all real numbers. The range is all real numbers.B
The domain is all real numbers. The range is all real numbers greater than zero.C
The domain is all real numbers greater than zero. The range is all real numbers.D
The domain is all real numbers greater than zero. The range is all real numbers greater than zero.3
Which statement best describes the domain and range of f(x) = –(7)x and g(x) = 7x?
A
f(x) and g(x) have the same domain and the same range.B
f(x) and g(x) have the same domain but different ranges.C
f(x) and g(x) have different domains but the same range.D
f(x) and g(x) have different domains and different ranges.4
What are the domain and range of the function f(x) = 3x + 5?
A
domain: ; range:
B
domain: ; range:
C
domain:; range:
D
domain: ; range:
5
Which set of ordered pairs could be generated by an exponential function?
A
, (0, 0), , (2, 1)
B
(–1, –1), (0, 0), (1, 1), (2, 8)C
, (0, 1), (1, 2), (2, 4)
D
(–1, 1), (0, 0), (1, 1), (2, 4)6
Which function is graphed below?
A
y = one-third (3) Superscript x
B
y = 3 (one-third) Superscript x
C
y = (one-half) Superscript x Baseline + 2
D
y = (2) Superscript x Baseline minus 1
7
Which function represents a vertical stretch of an exponential function?
A
f (x) = 3 (one-half) Superscript x
B
f (x) = one-half (3) Superscript x
C
f (x) = (3) Superscript 2 x
D
f (x) = 3 Superscript (one-half x)
8
Which set of ordered pairs could be generated by an exponential function?
A
(0, 0), (1, 1), (2, 8), (3, 27)B
(0, 1), (1, 2), (2, 5), (3, 10)C
(0, 0), (1, 3), (2, 6), (3, 9)D
(0, 1), (1, 3), (2, 9), (3, 27)9
Which of the following describes the transformations of from the parent function ?
A
shift 4 units left, reflect over the x-axis, shift 2 units downB
shift 4 units left, reflect over the y-axis, shift 2 units downC
shift 4 units right, reflect over the x-axis, shift 2 units downD
shift 4 units right, reflect over the y-axis, shift 2 units down10
Which graph represents an exponential function?
A
On a coordinate plane, a curve decreases rapidly and then levels out.
B
On a coordinate plane, a curve decreases, changes directions, and then decreases again.
C
On a coordinate plane, 2 curves mirror each other.
D
On a coordinate plane, a line curves increases gradually.
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