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Water leaks from a tank at a rate R( t ) where R( t ) = 3.6 + 0.438 t gallons per hour where t is the number of hours since 7 AM
Interpret
∫
2
7
(
3.6
+
0.438
t
)
d
s
\displaystyle {\int_{{2}}^{{7}}}{\left({3.6}+{0.438}{t}\right)}{d}{s}
∫
2
7
(
3.6
+
0.438
t
)
d
s
= 27.86.
Between 2 and 7 hours, the tank lost 27.86 gallons.
Between 9 and 14 hours, the tank lost 27.86.
Between 9 and 14, the tank lost 27.86.
Between 9 and 14 hours, the tank lost 27.86 gallons.
None of the other answers are correct.
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