For nikiyas plan, the value of the constant of variation is

b) well because you get well

10 b/c 5*2 =10

step-by-step explanation:

idkidkdidkdkdidkx

step-by-step explanation:

nndncnd cnn

snddnd

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