The Graph Below Shows the Number of Gallons of Water

question 48

Multiple Choice

The graph below shows the number of gallons of water remaining in a pool x minutes after a pump is turned on to drain the pool. Find the slope of the line between the two points shown on the graph, namely (0, 32) and (25, 5) . Write a sentence that states the meaning of the slope.

• A) m = -1.08; Each minute, 1080 gallons are being drained from the pool.
• B) m = -1.08; Each minute, 1.08 gallons are being drained from the pool.
• C) m = -0.93; Every 25 minutes, 930 gallons are being drained from the pool.
• D) m = -1.08; Every 25 minutes, 1080 gallons are being drained from the pool.
• E) m = -0.93; Each minute, 930 gallons are being drained from the pool.

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