Ava bought a collection of hardcover novels and paid $450 including sales tax. the sales tax was 10%
How much was the price of the collection of the novels before taxes?

answer: f = 32.2m

step-by-step explanation: that is the answer

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