Section 7.1-7.2 Review

Front

Is the relation shown a function?

Back

NO

Front

Identify the function rule for 'The output is 6 times the input.'

Back

y = 6x

Front

The mapping diagram matches one input to exactly one output. It is __________________.

Back

a function

Front

Which set of ordered pairs is a function? {(9,5), (10,5), (9,-5), (10,-5)}

Back

not a function

Front

Which set of ordered pairs is a function? {(3,4), (4,-3), (7,4), (3, 8)}

Back

not a function

Front

Which set of ordered pairs is a function? {(6,-5), (7, -3), (8, -1), (9, 1)}

Back

a function

Front

Which set of ordered pairs is a function? {(2, -2), (5, 9), (5, -7), (1, 4)}

Back

not a function

Front

Identify the domain and range. Does the relation represent y as a function of x? D: {4}, R: {1, 3, 7, 10}

Back

No, it is not a function.

Front

Identify the domain and range. Does the relation represent y as a function of x? D: {1, 3, 7, 10}, R: {4}

Back

Yes, it is a function.

Front

Identify the domain and range. Does the relation represent y as a function of x? D: {4}, R: {1, 3, 7, 10}

Back

No, it is not a function.