Expanded notation for 209.36

Which of the following is true for the relation f(x)=2x^2+1

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account