What is the rate of change of the amount earned with respect to hours worked for this function? 1/13 hours per dollar
2/5 hours per dollar
3 dollars per hour
13 dollars per hour

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.