Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Suppose $f ( x ) = 34.2 + 1.2 \log ( x + 1 )$ 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 752 meters.

A) $97.19 \mathrm {~g} / \mathrm { kg }$
B) $99.59 \mathrm {~g} / \mathrm { kg }$
C) $- 30.75 \mathrm {~g} / \mathrm { kg }$
D) $37.65 \mathrm {~g} / \mathrm { kg }$