Comparing Functions

Front

What is the definition of a function?

Back

A function is a relation where every input has only ONE output.

Front

What is the y-intercept of the equation y = 3x + 1?

Back

The y-intercept is 1.

Front

What is the y-intercept of the equation y = 1/2(x + 4)?

Back

The y-intercept is 2.

Front

What is the y-intercept of the equation y = 0.5(10^x)?

Back

The y-intercept is 0.5.

Front

Which equation has the greatest y-intercept: y = 3x + 1, y = 1/2(x + 4), or y = 0.5(10^x)?

Back

Equation B: y = 1/2(x + 4) has the greatest y-intercept.

Front

What is a linear function?

Back

A linear function is a function that graphs to a straight line.

Front

Which of the following represents a function: A, B, C, or D?

Back

Table A represents a function.

Front

What is the definition of a linear equation?

Back

A linear equation is an equation that can be written in the form y = mx + b.

Front

What does the slope of a line represent in a linear function?

Back

The slope represents the rate of change of the function.

Front

If a function has a slope of 0, what does that indicate about the graph?

Back

The graph is a horizontal line.