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5 votes
A country’s daily oil production can be approximated by q(t)=0.013t^2-0.6t+5.27

User Mina Atia
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If the value of "y" varies directly with "x"
and y = -8 when x = 20, find "y" if x = -4.
Enter the number that belongs in the green box.
Reduce to simplest form.
User Janley Zhang
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