Calculus

he table shows a city's closing price, in dollars, of one ounce of gold for various days in a certain year. (a) Compute the average rate of change of the closing price from March 15 to May 17 . (Round your answer to the nearest cent.) 5 per day Interpret your result. From March 15 to May 17 , the price of gold at an average rate of $ per day. (b) Find the average rate of change from January 11 to February 8. (Round your answer to the nearest cent.) 5 per day