Which interval contains a local minimum for the graphed function?
{-4,-2.5}
{-2,-1}
{1,2}
{2.5,4}

i believe the answer is letter c) 8

step-by-step explanation:

sweetheart, there isn't a cube below.

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

b. is the answer xx