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Algebra
Pregunta

53. Swimming Pool Levels The graph of Water in a S...

53. Swimming Pool Levels The graph of Water in a Swimming Pool 

\( y = f ( x ) \) represents the amount of water in thousands of gallons remaining in a swim- ming pool after \( x \) days. (a) Estimate the initial and final amounts of water contained in the pool. (b) When did the amount of water in the pool remain constant? (c) Approximate \( f ( 2 ) \) and \( f ( 4 ) \) . (d) At what rate was water being drained from the pool when \( 1 \leq x \leq 3 \) ? 

Answer

(a) \( 50,000 \) gal; \( 30,000 \) gal (b) during the first and fourth days (c) \( 45,000 ; 40,000 \) (d) \( 5000 \) gal per day 

Solución
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