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Which of the following relations is a function?
A. { (1, 2), (1, 3), (1, 4), (1, 5) } B. { (1, 3), (2, 3), (4, 3), (9, 3) } C. { (5, 4), (6, 5), (4, 5), (4, 0) } D. { (6, 1), (1, 4), (2, 3), (6, 1) }
 one year ago
 one year ago
Which of the following relations is a function? A. { (1, 2), (1, 3), (1, 4), (1, 5) } B. { (1, 3), (2, 3), (4, 3), (9, 3) } C. { (5, 4), (6, 5), (4, 5), (4, 0) } D. { (6, 1), (1, 4), (2, 3), (6, 1) }
 one year ago
 one year ago

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fiedster23Best ResponseYou've already chosen the best response.1
A function is when no input repeats which means no x coordinate can go to more than one y. So which one has a relation where the x doesn't repeat?
 one year ago

fiedster23Best ResponseYou've already chosen the best response.1
There's only one choice where this happens!
 one year ago

meggyBest ResponseYou've already chosen the best response.0
yep no clue what or how tto do this
 one year ago

fiedster23Best ResponseYou've already chosen the best response.1
In an ordered pair the first number is x and the second is y. So, if I have an ordered pair of (2,6). x is 2 and y is 6. Now look at your choices. the only relation that an x doesn't repeat is choice B, because your x's are: 1,2,4,9.
 one year ago

jasonxxBest ResponseYou've already chosen the best response.0
D, plot is on graph and you will get answer
 one year ago

fiedster23Best ResponseYou've already chosen the best response.1
D is wrong It is B. I am a math teacher!
 one year ago

fiedster23Best ResponseYou've already chosen the best response.1
vertical line test also proves what I'm saying. If you plot the points and draw vertical lines through each point. Then each line should only go through one point. More than one point makes it NOT a function and if you graph D a vertical line would go through x at 6 twice which proves D is WRONG!
 one year ago

jasonxxBest ResponseYou've already chosen the best response.0
i dont know neither do i care yor a teacher or what, plot thes points on paer and get yor answer
 one year ago

fiedster23Best ResponseYou've already chosen the best response.1
Learn to plot points correctly and know what a function is.
 one year ago

meggyBest ResponseYou've already chosen the best response.0
well same thing for thois one { (2, 6), (3, 9), (4, 2), (3, 6) } B. { (2, 8), (3, 6), (2, 4), (0, 2) } C. { (3, 2), (4, 7), (2, 5), (4, 5) } D. { (4, 7), (2, 5), (1, 3), (2, 1) }
 one year ago

jasonxxBest ResponseYou've already chosen the best response.0
lol thanks thats wat ma concern is plot it first
 one year ago

fiedster23Best ResponseYou've already chosen the best response.1
Meggy if you ask your math teacher he will confirm what I'm saying! Answer is C on the second one. Same answer as above. Hope that helps.
 one year ago

meggyBest ResponseYou've already chosen the best response.0
oook and im online schooling i dont have teachers
 one year ago

jasonxxBest ResponseYou've already chosen the best response.0
ya can put yor questions here and everyone can help ya to figure out
 one year ago

meggyBest ResponseYou've already chosen the best response.0
Marty has a standard deck containing 52 cards. If Marty takes one card from the deck, what is the probability that he will select a king of hearts?
 one year ago
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