Linear Functions

Front

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

Back

I: {0, 1, 2, -4}

Front

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

Back

O: {1, -3, -4}

Front

Which of the following is NOT the same as the others: Output, Input, Dependent Value, Y-Value?

Back

Input

Front

Is the relation {(9, -2), (4, 3), (8, 10), (-4, 8)} a function?

Back

Not a Function

Front

What is the output of the relation (9, -2), (4, 3), (8, 10), (-4, 8)?

Back

-2, 3, 8, 10

Front

What does the equation y = -25x + 120 represent in a real-world context?

Back

There are 120 gallons of water in a tank. It releases water at a rate of 25 gallons per minute.

Front

Define a linear function.

Back

A function that can be graphically represented as a straight line.

Front

What is the slope of the line represented by the equation y = mx + b?

Back

The slope (m) indicates the steepness and direction of the line.

Front

What does the y-intercept represent in a linear function?

Back

The y-intercept (b) is the point where the line crosses the y-axis.

Front

How do you determine if a set of points represents a function?

Back

A set of points represents a function if each input (x-value) corresponds to exactly one output (y-value).