Functions, Functions, Functions!

Front

What does the notation h(4) = 500,000 mean in the context of a function?

Back

It means that after 4 hours, the function h(t) indicates that Best Buy has made $500,000.

Front

How can you determine if a graph represents a function?

Back

A graph represents a function if every vertical line intersects the graph at most once (the vertical line test).

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

What is the definition of a function?

Back

A function is a relation where every input (x-value) has exactly one output (y-value).

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 difference between a function and a relation?

Back

A function is a specific type of relation where each input is associated with exactly one output.

Front

What does it mean for a mapping to be a function?

Back

A mapping is a function if each element in the domain is paired with exactly one element in the range.

Front

What is a vertical line test?

Back

The vertical line test is a method used to determine if a curve is a function by checking if any vertical line intersects the curve more than once.

Front

What is an example of a function in real life?

Back

An example of a function in real life is the relationship between time and distance traveled at a constant speed.

Front

What is a linear function?

Back

A linear function is a function that can be graphically represented as a straight line, typically in the form y = mx + b.