Mathematics, 12.03.2021 19:20 LindaCat78

The function f(x) = -5x² + 17x + 21 models the predicted sales of a pen after x price increases. a) Use the function to complete the Predicted Sales column. The x-values are in the first column.

b) Calculate the residuals. Explain how you found at least one of the answers.

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The function f(x) = -5x² + 17x + 21 models the predicted sales of a pen after x price increases. a) Use the function to complete the Predicted Sales column. The x-values are in the first column. b) Calculate the residuals. Explain how you found at least one of the answers.

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The function f(x) = -5x² + 17x + 21 models the predicted sales of a pen after x price increases. a) Use the function to complete the Predicted Sales column. The x-values are in the first column.

b) Calculate the residuals. Explain how you found at least one of the answers.