Each answer choice below represents a relation by a set of ordered pairs. In which of the answer choices is the relation a function? Select all correct answers.

Select all that apply:

{(−3,0),(3,−1),(4,10),(−2,0)}
{(5,0),(−2,−1),(−2,10),(2,9)}
{(8,8),(6,9),(1,−2),(−2,9)}
{(−5,7),(−3,−3),(8,−1),(8,5)}
{(7,−5),(6,9),(6,3),(−1,−1)}

answer: the first one

step-by-step explanation: use a calculator and divide the minutes by the dollars.

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)

its a, i had the same answer, its from study island right

step-by-step explanation:

change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock