It's holds same size discs there are five red six white and seven blue you pick a disk record the colour then put it back in if you do this 250 more times how many times can you expect to pick either a red or white disk?

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

wait a minute i will revisw this