< > which relationship is a function?
teachers and their pets
input output
january 30 tons
ms. valverde
mr. fanning
february
28 tons
march
25 tons
dog
cat
f ish
input
output
input
output
m6

a

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

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