Use the graph below to answer the following question: graph of parabola going through negative 4, 4, negative 1, 5, and 1, negative 1

What is the average rate of change from x = −4 to x = 1?

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?