8th grade Algebra 1, Review #2 Relations and Funcitons

Front

Which representation shows y as a function of x ?

Back

Front

Which set of ordered pairs represents y as a function of x? Options: {(2, 5), (3, 1), (2, 1), (4, 7)}, {(3, 2), (4, 3), (5, 2), (2, 6)}, {(1, 3), (3, 5), (2, 5), (1, 6)}, {(4, 7), (4, 6), (4, 4), (4, 1)}

Back

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

Front

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

Back

Front

Which statement describes the mapping?

Back

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

Front

Which graph represents y as a function of x?

Back

Front

What is the range of the function graphed on the grid?

Back

{y│-3 ≤ y ≤ 4}

Front

What is the domain of f? Options: {4, 1, 0, 2, 7}, {−5, −4, −1, 0, 1, 2, 4, 7}, {−5, 0, 1, 2, 4}, {5}

Back

{4, 1, 0, 2, 7}

Front

What is the range of quadratic function h?

Back

All real numbers greater than or equal to -8

Answer explanation

A quadriatic function looks like a U if you graph it. Graph these points on a graph, you will better be able to answer this one.

Front

Domain and range of the quadratic function?

Back

Front

Back