Algebra, Unit 3 - Functions Test Review

Front

What is a function?

Back

A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.

Tags

CCSS.8.F.A.1

Front

What does the domain of a function represent?

Back

The domain of a function is the set of all possible input values (x-values) for which the function is defined.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What does the range of a function represent?

Back

The range of a function is the set of all possible output values (y-values) that the function can produce.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

Back

Tags

CCSS.HSF-IF.C.7D

Front

Back

Tags

CCSS.HSF-IF.C.7A

Front

How can you determine if a relation is a function?

Back

A relation is a function if each x-value has only one corresponding y-value.

Tags

CCSS.8.F.A.1

Front

What is the domain and range of the function {(0,1), (1,-3), (2,-4), (-4,1)}?

Back

Domain: {-4, 0, 1, 2}; Range: {-4, -3, 1}.

Front

Back

f(-6) = 40, so the ordered pair is (-6, 40).

Tags

CCSS.HSF.IF.A.2

Front

What is the difference between a linear function and a quadratic function?

Back

A linear function has a constant rate of change and graphs as a straight line, while a quadratic function has a variable rate of change and graphs as a parabola.

Front

Back

The vertex of the parabola is the point (h, k).