A#5 Flashcard Review

Front

What is a set of ordered pairs called?

Back

A relation.

Front

Given the set of ordered pairs \{(2, 3), (2, 7), (0, -8), (10, 0)\}, what is the domain?

Back

\{0, 2, 10\}

Front

For the function \{(0,1),(1,-3),(2,-4),(-4,1)\}, what is the range?

Back

\{1, -3, -4\}

Front

Which of the following relations is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)

Back

(6,-5) (7, -3) (8, -1) (9, 1)

Front

What is the RANGE of the graph if y > 1?

Back

y > 1

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

What is the domain of a function?

Back

The set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for the function.

Front

How can you determine if a relation is a function?

Back

A relation is a function if no x-value is repeated.

Front

What does it mean for a relation to be one-to-one?

Back

Each output value is paired with exactly one input value.