Abaseball pitcher s earned run average ERA is A e i 9e i where e is the number of earned runs given up by the pitcher and i is the number of innings pitched Good pitchers have low ERAS Assume that e 20 and i 0 are real numbers a During his best season a certain pitcher pitched a total of 237 innings and gave up just 36 earned runs What was his ERA b Determine the ERA of a relief pitcher who gives up 5 earned runs one third of an inning c Graph the level curve A e i 2 and describe the relationship between e and i in this case a The pitcher s ERA for the season was Round to two decimal places as needed b The relief pitcher s ERA was Round to two decimal places as needed c Graph the level curve A e i 2 Choose the correct graph below O A A 10 Q OB A 10 Describe the relationship between e and i in this case CICCESS Q O C A 10 O D A 10 Q