1. Find the equation of the tangent line to the graph of y = x ln x at the point (2, 2 ln 2).

2.

72. Heights of Children For children between the ages of 5 and 13 years, the Ehrenberg equation In W In 2.4 +1.84h gives the relationship between the weight W (in kilograms) and the height h (in meters) of the child. Use differentials to estimate the change in the weight of a child who grows from 1 m to 1.1 m.