Each month, barry makes three transactions in his checking account
• he deposits $700 from his paycheck
• he withdraws $150 to buy gas for his car
• he withdraws $400 for other expenses
if his account balance is $1,900 at the end of the 1st month, which recursive equation models barry's account balance at the end of month n?
a f(1) = 1,900; f(n) = 150 · (n − 1), for + > 2
b. f(1) = 1,900; f(n) = y(n-1) + 700, forn > 2
c. f(1) = 1,900; f(n) = f(n - 1) + 150, forn 2
d. (1) = 1,900; f(n) = f(n-1) - 150, for ^ > 2

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

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