If the domain of the function f(x)=2x^2-8 is {-2, 3, 5} determine the range

Which is f(5) for the function –2x2 + 2x - 3?

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?