(03.06) Using the completing the square method, rewrite f(x) = x2 + 4x - 1 in vertex form,
f(x) = (x + 2)2 + 1
Oь
f(x) - (x + 2)2
oc
f(x) = (x + 2)2 + 4
Od
f(x) = (x + 2)2 - 5

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.