Question: Pleaae Solve. Thank you! a graphing u y to plot the data and graph the model. 100 80 40 20 20 O 10 15 20

Pleaae Solve. Thank you! a graphing u y to plot the

Pleaae Solve. Thank you!

a graphing u y to plot the data and graph the model. 100 80 40 20 20 O 10 15 20 25 30 5 10 15 20 130 100 80 80 60 40 20 10 15 20 25 30 O 10 15 20 25 (b) Use the second derivative to determine the concavity of S. Compare the result with the graph in part (a). (Enter your answers concave upwards erval notation. Round your answers to two decimal places.) concave downwards

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