The Ehrenberg Equation Gives the Relationship Between the Height

Multiple Choice

The Ehrenberg equation gives the relationship between the height (in meters) and the average weight W (in kilograms) for children between 5 and 13 years of age. ​ What is the average weight of a 10-year-old child who stands at 1.4 m tall? Round the answer to the nearest tenth. Use differentials to estimate the change in the average weight of a 10-year-old child whose height increases from 1.4 m to 1.45 m.

A) 44.8 kg, 3.2 kg
B) 83.9 kg, 2.9 kg
C) 58.0 kg, 1.6 kg
D) 31.5 kg, 1.6 kg
E) 31.5 kg, 2.9 kg