Question 1

Which representation does not show y as a function of x?

Accepted Answer

#texas/c186785f-14cc-4621-9fa8-4777a7649fcd/D.png

Answer

{(2,- 2 ), (3,-2 ),  (7,-2 ), (11, −2 )}

Answer

#texas/c186785f-14cc-4621-9fa8-4777a7649fcd/A.png

Answer

#texas/c186785f-14cc-4621-9fa8-4777a7649fcd/B.png

Question 2

Which set of ordered pairs represents y as a function of x?

Accepted Answer

{(2, -1), (4, -2), (6, -3), (8, -4)}

Answer

{(0, 0), (1, 1), (1, 0), (2, 1)}

Answer

{(3, 3), (3, 4), (4, 3), (4, 4)}

Answer

{(1, -5), (1, 5), (2, -10), (2, -15)}

Question 3

Which statement describes the mapping?

Accepted Answer

The mapping represents y as a function of x, because each x-value corresponds to exactly one y-value.

Answer

The mapping does not represent y as a function of x, because there are more x-values than different corresponding y-values.

Answer

The mapping does not represent y as a function of x, because two of the x-values correspond to the same y-value.

Answer

The mapping represents y as a function of x, because each y-value corresponds to exactly one x-value.

Question 4

Which graph represents y as a function of x?

Accepted Answer

#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/B.png

Answer

#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/D.png

Answer

#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/A.png

Answer

#texas/6912142c-bdf4-491c-9ff9-55b2167125cd/C.png

Question 5

Which graph does NOT represent y as a function of x?

Accepted Answer

#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/A.png

Answer

#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/B.png

Answer

#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/C.png

Answer

#texas/0c8b66fb-191f-4339-82d4-20963bd3b54e/D.png

Question 6

Which set of ordered pairs represents y as a function of x?

Accepted Answer

{(3, 2), (4, 3), (5, 2), (2, 6)}

Answer

{(2, 5), (3, 1), (2, 1), (4, 7)}

Answer

{(1, 3), (3, 5), (2, 5), (1, 6)}

Answer

{(4, 7), (4, 6), (4, 4), (4, 1)}

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