A video game tournament begins with 243 competitors. After each round, one-third of the competitors remain. Write the function that models the change between the number of rounds, x, and the number of competitors remaining, r(x). Possible answers: r(x)=243*(1/3)x r(x)=3*(1/243)x  r(x) = 243 · 3x r(x) = 3 · 243x

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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A video game tournament begins with 243 competitors. After each round, one-third of the competitors remain. Write the function that models the change between the number of rounds, x, and the number of competitors remaining, r(x).

Possible answers:

r(x)=243*(1/3)x

r(x)=3*(1/243)x

 r(x) = 243 · 3x

r(x) = 3 · 243x

 

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