A cylindrical container holds a liquid with a level of 49 49 49 in. The container has a cross-sectional area of 15 15 15 in 2 . The function L ( t ) = ( 7 − 0.20 t ) 2 L\left(t\right)=\left(7-0.20t\right)^2 L ( t ) = ( 7 − 0.20 t ) 2 describes the liquid level at time t ≥ 0 t\geq{0} t ≥ 0 . What is the appropriate domain for L L L if a drain with an area of 4 4 4 in 2 at the bottom of the container is opened at t = 0 t=0 t = 0 s?

[ 0 , 35 ] \left\lbrack0,35\right\rbrack [ 0 , 35 ]

( 0 , 15 ) \left(0,15\right) ( 0 , 15 )

[ 0 , 20 ] \left\lbrack0,20\right\rbrack [ 0 , 20 ]

( 0 , 25 ) \left(0,25\right) ( 0 , 25 )

A cylindrical container holds a liquid with a leve...

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