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myrzilka [38]
3 years ago
12

HELPPP The number of members in the Triathlon Club was 36 in 2001 and has increased by 20% each year. Which exponential growth m

odel shows the club's membership in terms of t, the number of years since 2001? s since 2001?
A. y=20(36)t


B. y=36(0.2)t


C. y=36(1.2)t


D. y=36(20)t
Mathematics
1 answer:
levacccp [35]3 years ago
5 0

Answer:

C. y=36(1.2)t

Step-by-step explanation:

The number of members in the Club in t years after 2001 is given by an equation in the following format:

y = y(0)(1+r)^{t}

In which y(0) is the number of members in 2001 and r is the growth rate, as a decimal.

The number of members in the Triathlon Club was 36 in 2001 and has increased by 20% each year.

This means that y(0) = 36, r = 0.2

So

y = y(0)(1+r)^{t}

y = 36(1+0.2)^{t}

y = 36(1.2)^{t}

The correct answer is C.

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