Your checking account is overdrawn by 45.you write a check for 30.then you make deposit of 100.what i the balance in your account?

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be