PreCalculus 1.2 Domain & Range Review

Front

What is the definition of Domain in a function?

Back

The set of all possible x-values for which a function is defined.

Front

What is the definition of Range in a function?

Back

The set of all possible y-values that a function can output.

Front

Write the interval notation for x < 8.

Back

(-∞, 8)

Front

What does the notation [-3, ∞) represent?

Back

It represents all values from -3 to infinity, including -3.

Front

What does the notation (−∞, −3] represent?

Back

It represents all values less than or equal to -3.

Front

What is the difference between Domain and Range?

Back

Domain refers to x-values, while Range refers to y-values.

Front

How do you express the set of all x-values for a function in interval notation?

Back

By identifying the lowest and highest x-values that the function can take.

Front

What is the interval notation for the set of all real numbers?

Back

(-∞, ∞)

Front

If a function has a domain of [-8, 4], what does this mean?

Back

The function is defined for all x-values from -8 to 4, including -8 and 4.

Front

What is the interval notation for the set of all y-values greater than or equal to 3?

Back

[3, ∞)