Functions, Functions, Functions

Front

What is the definition of a function in mathematics?

Back

A function is a relation that assigns exactly one output for each input from a given set.

Tags

CCSS.8.F.A.1

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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

Front

Given the function {(0,1), (1,-3), (2,-4), (-4,1)}, what is the domain?

Back

D: {0, 1, 2, -4}.

Front

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

Back

R: {1, -3, -4}.

Front

What does it mean for a set of points to represent a function?

Back

A set of points represents a function if no two different ordered pairs have the same first element (input).

Tags

CCSS.8.F.A.1

Front

What is an ordered pair in the context of functions?

Back

An ordered pair is a pair of numbers (x, y) where x is the input and y is the output of the function.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

What is the significance of the input in a function?

Back

The input is the value that is fed into the function to produce an output.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Front

How can you determine if a table of values represents a function?

Back

A table represents a function if each input value corresponds to exactly one output value.

Tags

CCSS.8.F.A.1

Front

What is an example of a pair that could be added to a function without violating the definition of a function?

Back

(1, 9) could be added to the points (3, 5), (4, 9), (2, 5) without violating the function rule.

Tags

CCSS.8.F.A.1