Select the correct answer.

which relation is a function?

a.

{(2, 3), (1, 5), (2,...

Mathematics, 09.03.2019 08:08

# 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)}

β

β

β

arrange the systems of equations that have a single solution in increasing order of the x-values in their solutions.

2x + y = 10

x β 3y = -2

x + 2y = 5

2x + y = 4

5x + y = 33

x = 18 β 4y

y = 13 β 2x

8x + 4y = 52

x + 3y = 5

6x β y = 11

2x + y = 10

-6x β 3y = -2

y = 10 + x

2x + 3y = 45

β

β

β

β

β

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