Question: Consider the following function of variable r, for r 0: y(r) = (r 6.75r) exp(r). Part A Find the value of the first derivative,

Consider the following function of variable r, for r 0: y(r) = (r 6.75r) exp(r). Part A Find the value of the first derivative, dy/dr, at r = 6.75. Express your answer to 3 significant figures. ? Find the value of r where y takes its maximum value in the r > 0 interval. Express your answer to 3 significant figures. ? Part B Find the value of the second derivative, dy/dr, at r = 6.75. Express your answer to 3 significant figures. ? Part C Find the value of r where y takes its minimum value in the r > 0 interval. Express your answer to 3 significant figures. View Available Hint(s) - ?

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