If f(x) = x2 – 25 and g(x) = x – 5, what is the domain of mc006-1.jpg? all real values of x all real values of x except x = 5 all real values of x except x = –5 all real values of x except x = 5 and x = –5

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?