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Question 6 0/7 pts 5 2 0 Details Evelyn decides to make and sell stools as a side business. The function below gives the average cost A(a) (in dollars) per stool when a stools are produced. Use the function to fill in the boxes below. 8x + 450 A(x)= A) The average cost to produce 19 stools is $ B) To reduce the average cost to produce each stool down to $17, stools must be produced. Check