(1 point) A study of American girls ages 4-13 in the 90 percentile according to their...

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(1 point) A study of American girls ages 4-13 in the 90" percentile according to their height found that their height h (in cm) as a function of their age a (in years) satisfies the equation h(a) = 6.45a + 82.1. The same study found that their weight W (in g) as a function of their height is given by W (h) = 0.034 4. a. What is a rate of growth in height? Rate of Growth = cm/yr b. Write an expression for the composite function that gives the weight as a function of age. W(a) = Differentiate this function to find W'(a) using the chain rule. %3D da c. What is the rate of change in weight at ages 5 and 11? dW g/yr da lan5 dW 田 9yr %3D da la=11 (1 point) A study of American girls ages 4-13 in the 90" percentile according to their height found that their height h (in cm) as a function of their age a (in years) satisfies the equation h(a) = 6.45a + 82.1. The same study found that their weight W (in g) as a function of their height is given by W (h) = 0.034 4. a. What is a rate of growth in height? Rate of Growth = cm/yr b. Write an expression for the composite function that gives the weight as a function of age. W(a) = Differentiate this function to find W'(a) using the chain rule. %3D da c. What is the rate of change in weight at ages 5 and 11? dW g/yr da lan5 dW 田 9yr %3D da la=11

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