Answer: f(x) = 7x
See this table
x [ ft^3 of air in the ballon] f(x) [grams that can be lifted]
1 7
2 14
3 21
$24 times 10 is $240 and $6 times 100 is $600 so 240+$600 is $840 then $840 devided by 4 is $210.
Answer:
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Answer:
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The answer to your question is : −370 .
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