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A tank holds 1000 gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining.

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Presentation on theme: "A tank holds 1000 gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining."— Presentation transcript:

1 A tank holds 1000 gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after t minutes. If P is the point (15, 267 ) on the graph of V, find the slope of the secant line PQ when Q is the point on the graph with t = 25. t (min) 5 10 15 20 25 30 V (gal) 719 466 267 113 25 0 Choose the correct answer from the following: 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.17.8 2.-17.8 3.30.8 4.24.2 5.-45.2 6.-24.2

2 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

3 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.56.7974 2.56.6954 3.56.8064 4.56.7964 5.56.9064 6.56.7864

4 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3.4.

5 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.8.1 2.7.89 3.7 4.8.11 5.8 6.9

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