Which of the following relations is a function? A.{ (-2, 4), (-1, 3), (5, 2), (1, 4) } B.{ (1, 7), (1, 8), (2, 7), (3, 8) } C.{
siniylev [52]
From the pairs of x,y, if the set has two "x" of the same value, that is, "x" repeats, or an x-repeat, then is NOT a function
so, the group that doesn't have any x-repeats, is a function, now let's check
Answer:
<h2>Pete played 1.5 times the number of matches that Jack played.</h2><h2 />
Step-by-step explanation:
<u>Pete played 18 tennis matches in a week.</u>
P = 18
<u>Jack played 6 fewer matches than Pete. </u>
J = P - 6
J = 18 - 6
J = 12
<u>How many times the number of matches pete played is the number of matches jack played?</u>
<u />
18 / 12 = 1.5
Pete played 1.5 times the number of matches that Jack played.
Answer: $2203.74
Step-by-step explanation:
Answer:
21 C
22 B
23 169
Step-by-step explanation:
21 3m mean 3 times a certain number
22 the negative make the 4 go negative and the -5 positive
23 i did 5^2-4^2= 9
then 6^2 divided by 9+9= 13 i took the 9 from the 5^2 problem then divided it by 6^2
then 13 x 13 = 169
The answer is Tuesday there will be 15 teachers for 179 students and 12 times 15 is 180
