Solve the Problem $\mathrm { S }$ Of Ocean Water at a Given Depth

question 281

Multiple Choice

Solve the problem.
-Suppose that the salinity $\mathrm { S }$ of ocean water at a given depth $\mathrm { d }$ is modeled by the equation $\mathrm { S } ( \mathrm { d } ) = 29.9 + 1.4 \log ( \mathrm { d } + 1 )$ , where $\mathrm { S }$ is measured in grams salt per kilogram water and $\mathrm { d }$ is measured in meters. What is the salinity when the depth is $998 \mathrm {~m}$ ? Round your answer to the nearest hundredth.

• A) \(88.29 \mathrm {~g} \mathrm { salt } / \mathrm { kg }\) water
• B) \(91.09 \mathrm {~g} \mathrm { salt } / \mathrm { kg }\) water
• C) \(34.10 \mathrm {~g}\) salt \(/ \mathrm { kg }\) water
• D) \(- 25.70 \mathrm {~g} \mathrm { salt } / \mathrm { kg }\) water

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