What is the initial value in an exponential function?

Exponential Functions and Decay Rates

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Mathematics
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9th - 10th Grade
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Hard

Thomas White
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The coefficient of the exponent
The base of the exponent
The starting amount
The rate of change
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an exponential function, if 1 + r is greater than 1, what does it indicate?
No change
Exponential growth
Linear growth
Exponential decay
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the growth rate if the function is Y = 12 * 1.73^T?
173%
1.73%
73%
12%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the function Y = 18 * 0.79^X, what does 0.79 represent?
Growth rate
Decay factor
Time period
Initial value
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the decay rate be expressed if the function is Y = 18 * 0.79^X?
79% decay
79% growth
21% decay
21% growth
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the growth rate in the function Y = 197 * 2.5^T?
1.5%
250%
150%
50%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an investment decreases by 15% per year, what is the decay factor?
1.85
0.85
1.15
0.15
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