The Graph Shows the Depth of Water W in a Reservoir

question 54

Multiple Choice

The graph shows the depth of water W in a reservoir over a one-year period as a function of the number of days x since the beginning of the year. Estimate the average rate of change of W between x = 0 and x= 100?

• A) \(- 2 \mathrm { ft } / \mathrm { day }\)
• B) \(- 4 \mathrm { ft } / \mathrm { day }\)
• C) \(4 \mathrm { ft } / \mathrm { day }\)
• D) \(\frac { 1 } { 4 } \mathrm { f } / \mathrm { day }\)
• E) none of these

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