Pre/Post Test Functions Sec 1-3 - OakPark

Front

Which is the set of all y-values or the outputs?

Back

Range

Front

What is the domain of a relation?

Back

The set of all x-values.

Front

Evaluate f(x) = 2x + 1, when x = 6.

Back

f(6) = 13.

Front

Interpret the value of C(8) = 7 in the context of the function C(x) = 1/2x + 3.

Back

There is 7 inches of snow after 8 hours.

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

What is the set of all x-values in a function called?

Back

Domain.

Front

What is the relationship between domain and range in a function?

Back

The domain consists of all possible inputs, while the range consists of all possible outputs.

Front

If f(x) = 3x - 4, what is f(2)?

Back

f(2) = 2.

Front

What does it mean for a function to be one-to-one?

Back

Each input has a unique output.

Front

What is the vertical line test?

Back

A method to determine if a curve is a function; if a vertical line intersects the curve more than once, it is not a function.