Graphing Exponential Functions Answers
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1
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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)2
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Which graph represents an exponential growth function?
A
On a coordinate plane, a line rapidly decreases and then levels off.
B
On a coordinate plane, a line increases gradually.
C
On a coordinate plane, a line decreases gradually.
D
On a coordinate plane, a line is level and then curves upwards rapidly.
3
Which of the following describes the transformation of from the parent function ?
A
reflect across the x-axis, stretch the graph vertically by a factor of 3, shift 2 units upB
reflect across the y-axis, stretch the graph vertically by a factor of 2, shift 3 units upC
reflect across the x-axis, stretch the graph vertically by a factor of 2, shift 3 units upD
reflect across the y-axis, stretch the graph vertically by a factor of 3, shift 2 units up4
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)5
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.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 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
8
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.9
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)
10
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:
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