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Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

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.