Answer:
The average number of people each person challenged.
Step-by-step explanation:
<u>Exponential Function</u>
General form of an exponential function:
where:
- a is the initial value (y-intercept)
- b is the base (growth/decay factor) in decimal form
If b > 1 then it is an increasing function. - If 0 < b < 1 then it is a decreasing function.
- x is the independent variable
- y is the dependent variable
<u>Given exponential function</u>:
Comparing the <u>given function</u> with the <u>general function</u>:
- a = 2
- b = 2.5
- y = number of people participating in the challenge
Therefore, 2 represents the <u>initial value</u>, i.e. the average number of people who <u>started</u> the challenge.
Therefore, 2.5 represents the <u>growth factor</u>, i.e. the average number of people each person challenged.
Learn more about exponential functions here:
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