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Mathematics, 09.03.2019 08:08 krystalScott17

Select the correct answer.
which relation is a function?
a.
{(2, 3), (1, 5), (2, 7)}
b.
{(-1, 5), (-2, 6), (-3, 7)}
c.
{(11, 9), (11, 5), (9, 3)}
d.
{(3, 8), (0, 8), (3, -2)}

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arrange the systems of equations that have a single solution in increasing order of the x-values in their solutions.
2x + y = 10
x βˆ’ 3y = -2
x + 2y = 5
2x + y = 4
5x + y = 33
x = 18 βˆ’ 4y
y = 13 βˆ’ 2x
8x + 4y = 52
x + 3y = 5
6x βˆ’ y = 11
2x + y = 10
-6x βˆ’ 3y = -2
y = 10 + x
2x + 3y = 45

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Answers: 3

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which relation is a function?
a.
{(2, 3), (1, 5), (2,...
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