
Exponential Decay Functions Concepts

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the focus of this screencast?
Quadratic functions
Linear functions
Exponential decay functions
Exponential growth functions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exponential decay function, what is the range of the base?
Equal to 1
Greater than 1
Less than 0
Between 0 and 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the value of an exponential decay function as x increases?
It increases
It oscillates
It decreases
It remains constant
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the y-intercept of the function y = (1/5)^x?
(0, 0)
(1, 1)
(0, 1)
(1, 0)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the graph of y = 5^x compare to y = (1/5)^x?
Both are increasing
5^x is increasing, (1/5)^x is decreasing
Both are decreasing
5^x is decreasing, (1/5)^x is increasing
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What transformation occurs when a negative sign is placed in front of an exponential function?
Vertical stretch
Reflection about the y-axis
Horizontal shift
Reflection about the x-axis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of an exponential decay function?
Numbers between 0 and 1
All negative numbers
All positive numbers
All real numbers
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the range of the function y = -4 * (1/2)^(x-1) + 2?
Y values between 0 and 2
Y values less than 2
Y values greater than 2
All real numbers
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the limit of the function y = -4 * (1/2)^(x-1) + 2 as x approaches infinity?
0
1
2
Negative infinity
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