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IDENTIFYING FUNCTIONS Use your knowledge of functions to complete the table below. Identify whether or not...
IDENTIFYING FUNCTIONS
Use your knowledge of functions to complete the table below. Identify whether or not each representation is a function, and be sure to justify your answer.
REPRESENTATION | FUNCTION? | JUSTIFICATION
1. Table: x: −3, −1, 1, 3; y: 10, 2, 2, 10.
2. {(−9, 0), (−4, 5), (0, 9), (4, 5), (9, 0)}
3. [Graph of an ellipse centered at the origin.]
4. {(−3, 0), (13, 4), (6, 3), (13, −4), (22, 5)}
5. [Mapping diagram from X = {−1, 0, 1} to Y = {1, 0}; each element of X has one outgoing arrow.]
6. [Graph consisting of a decreasing line segment followed by an increasing ray, forming a V shape.]
7. Table: x: 25, 25, 36, 36; y: 5, −5, 6, −6.
Use your knowledge of functions to complete the table below. Identify whether or not each representation is a function, and be sure to justify your answer.
REPRESENTATION | FUNCTION? | JUSTIFICATION
1. Table: x: −3, −1, 1, 3; y: 10, 2, 2, 10.
2. {(−9, 0), (−4, 5), (0, 9), (4, 5), (9, 0)}
3. [Graph of an ellipse centered at the origin.]
4. {(−3, 0), (13, 4), (6, 3), (13, −4), (22, 5)}
5. [Mapping diagram from X = {−1, 0, 1} to Y = {1, 0}; each element of X has one outgoing arrow.]
6. [Graph consisting of a decreasing line segment followed by an increasing ray, forming a V shape.]
7. Table: x: 25, 25, 36, 36; y: 5, −5, 6, −6.