Asked by me
Which of these pairs of the form (x, y)
could not lie on the graph of a function
of x?
F (1, 1) and (3, 1)
G (1, 1) and (2, 1)
H (1, 1) and (1, 2)
J (1, 1) and (2, 2)
could not lie on the graph of a function
of x?
F (1, 1) and (3, 1)
G (1, 1) and (2, 1)
H (1, 1) and (1, 2)
J (1, 1) and (2, 2)
Answers
Answered by
mathhelper
to have a function
you cannot have 2 or more different values of y for the same x
that is, you cannot have 2 or more points on the same vertical line
(this is often called the "vertical line test" )
you cannot have 2 or more different values of y for the same x
that is, you cannot have 2 or more points on the same vertical line
(this is often called the "vertical line test" )
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