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Ashy98
 one year ago
Which of the following expressions represents a function?
A.) y = x2
B.) {(9, 2), (4, −2), (5, 3), (9, −4)}
C.) x = −3
D.) x2 = 25 − y2 < I think
Ashy98
 one year ago
Which of the following expressions represents a function? A.) y = x2 B.) {(9, 2), (4, −2), (5, 3), (9, −4)} C.) x = −3 D.) x2 = 25 − y2 < I think

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misty1212
 one year ago
Best ResponseYou've already chosen the best response.1it does not represent a function because the \(y\) term is squared

misty1212
 one year ago
Best ResponseYou've already chosen the best response.1which means one x can have two y's

misty1212
 one year ago
Best ResponseYou've already chosen the best response.1B is not a function because the 9 repeats

misty1212
 one year ago
Best ResponseYou've already chosen the best response.1C is not a function because it is a vertical line, which fails the vertical line test spectacularly

Ashy98
 one year ago
Best ResponseYou've already chosen the best response.0So that mean it's A, thank you so much!!!
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