Answer
4 teams will be left.
Work Step by Step
Decay Factor: 0.5
The equation will look like this:
f(x) = 128(0.5)$^{x}$
Now, plug in 5 (rounds) for x:
f(x) = 128(0.5)$^{x}$
f(5) = 128(0.5)$^{5}$
f(5) = 128(0.03125)
f(5) = 4
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 7 - Exponents and Exponential Functions - 7-7 Exponential Growth and Decay - Practice and Problem-Solving Exercises - Page 460: 32
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