Evaluate Functions

Front

What is a function?

Back

A function is a relation that assigns exactly one output (y) for each input (x).

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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

Front

Evaluate f(-2) if f(x) = x + 3.

Back

1

Front

Evaluate y = x + 5 when x = 3.

Back

8

Front

What does the slope represent in a linear function?

Back

The slope represents the rate of change of the function; it indicates how much y changes for a unit change in x.

Front

What is the y-intercept of a function?

Back

The y-intercept is the value of y when x = 0.

Front

Evaluate the GPA of a student that spends no hours studying using the equation y = 1.4x + 1.4.

Back

1.4

Front

Which statement about functions is NOT true? The domain is always whole numbers.

Back

This statement is NOT true; the domain can include any type of number.

Front

If f(x) = 2x + 7, how many pitchers of water were used to fill a bucket containing 29 pints?

Back

11