Which operation should be performed first according to the order of operations?

87 – 25 + 39 • 8 + 31 + 10

a.

31 + 10

b.

87 – 25

c.

25 + 39

d.

39 • 8

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