Algebra 1 Functions REVIEW 2021

Front

Is this relation a function?

Back

Yes, because all the x-values are different.

Front

Is this mapping a function or not a function?

Back

Function.

Front

Solve for d: -7(6 + d) = 49

Back

d = -13.

Front

What is the range of the graph?

Back

from y = 2 to y = 6.

Front

Which graph is NOT a function?

Back

Graph 1.

Front

Definition of a function.

Back

A relation where each input (x-value) has exactly one output (y-value).

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 graph represents a function?

Back

Use the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.

Front

What is a linear function?

Back

A function that graphs to a straight line, typically in the form y = mx + b.