Solve the Problem $f ( x ) = 28.4 + 1.3 \log ( x + 1 )$

question 77

Multiple Choice

Solve the problem.
-Suppose $f ( x ) = 28.4 + 1.3 \log ( x + 1 )$ 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 depth (to the nearest tenth of a meter) where the salinity equals 29 .

• A) \(1.9 \mathrm {~m}\)
• B) \(- 0.9 \mathrm {~m}\)
• C) \(- 0.7 \mathrm {~m}\)
• D) \(3.9 \mathrm {~m}\)

---

Definitions:

Peers

Individuals who are of similar age, status, or interest, often influencing each other's behaviors and attitudes.

Parents

The primary caregivers of a child, who play a significant role in the child's development, including biological parents, adoptive parents, and guardians.

Self-esteem

The overall sense of value or worth a person attributes to themselves.

Day Care Study

Research focusing on the effects of childcare outside the home on the development, behavior, and health of children.