A population of ants triples every week. If the population starts at 7, how many ants will there be after 7 weeks?
2 answers:
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Answer: ; indirect variation ; x = 2.4
<u>Step-by-step explanation:</u>
direct variation is when: ; where k is the constant rate
indirect variation is when: xy = k ; where k is the constant rate
In the table provide: x * y = 24 for each coordinate provided, so this is indirect variation, with equation:
since k = 24, then input y = 10 and k = 24 into the equation above:
x = 2.4