MY NOTES ASK YOUR TEACHER Online Video Viewers As broadband Internet grows more popular, video services such as YouTube will continue to expand. The number of online video viewers (in millions) is projected to grow from 2008 through 2013 according to the rule NCE) = 13500.067(1 5756) where t = 1 corresponds to 2008. (Round your answers to one decimal place.) (a) How many online video viewers were there in 2012? 1988 1x million (b) How fast was the number of online video viewers changing in 20127 x million per year 09 Submit Answer 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 a child. Use differentials to estimate the change in the weight (in kg) of a child who grows from 1.4 m to 1.5 m. (Round your answer to two decimal places) kg