11. The daily supply of a product is given by the function 60+20p where p is the price, in dollars, of a product. The daily demand of the product is given by the function 21010p. At what price will supply equal demand? $10 12. What is the value of 9(3/2)10(1) ? 13. Which of the following rules for entering formulas in Excel is incorrect? Begin formulas with = Use to raise a number to a power Excel follows PEMDAS to figure out order of operations Use to divide