In a relation, the input is the number of people and the output is the number of watches. Is this relation a function? Why or why not? A. No, because the same number of people might have a different number of watches. B. Yes, because a given number of people always has the same number of watches. C. Yes, because each person has one watch. D. No, because you do not know how many people there are

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry

the awnser is visionary

what is the your question?

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6