Use the values in the table to write a quadratic equation in vertex form. The vertex of the function is (1.-3).

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

um is there supposed to be a picture?

4y - 6 + y^2 - 9 = y^2 + 4y - 15

y^2 term

terms

- terms

total of 3 terms when simplified

step-by-step explanation:

ask i dont know either ; (

step-by-step explanation: