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 Name _____________________________ Date ___________________
Relations and Functions
(Answer ID # 0663048)
State for each of the following relations whether y is a function of x.

1.
y =

 -11 - 15x

 2 14 + 10x2 = 7y2
 3 86 = 6y2 + 11x2
 4 10 = x2 + y - 1
 5 4y2 = 12 - 10x2
 6 14y2 + 14 = x
 7 6 = x2 + 1 - y
 8 -3x2 = -8y
 9 -11x3 + 12 = y
 10 -14x2 + y - x = -14x2 - 40
 11 x = |-15y - 11|
 12 -13 - 12y3 = x
 13 x = |-13y - 15|
 14 50 = -3y2 - 14x2
 15 4 = -x2 - y - 1
 16 -4y = -5x2
 17 -14y3 - 15 = x
 18 12x3 + 15 = y
 19 -10 + 14x2 = 2y2
 20 -6y2 = 13 - 10x2
 21 10 = -1 + x2 + y

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