Solve the Problem $f ( x ) = 33.8 + 1.5 \log ( x + 1 )$

question 437

Multiple Choice

Solve the problem.
-Suppose $f ( x ) = 33.8 + 1.5 \log ( x + 1 )$ models salinity of ocean water to depths of 1000 meters at a certain latitude. $x$ is the depth in meters and $f ( x )$ is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 897 meters.

• A) \(- 29.37 \mathrm {~g} / \mathrm { kg }\)
• B) \(98.32 \mathrm {~g} / \mathrm { kg }\)
• C) \(38.23 \mathrm {~g} / \mathrm { kg }\)
• D) \(101.32 \mathrm {~g} / \mathrm { kg }\)

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