Functions

Front

What is a function?

Back

A function is a relationship where each input has only ONE output.

Front

What is the equation for bubbles blown (b) in terms of minutes (m) if b = 12(m)?

Back

b = 12(m) means for every minute, 12 bubbles are blown.

Front

If the function rule is x ÷ 3, what is the output when the input is 12?

Back

The output is 4.

Front

What is the equation for words typed (w) if Nancy types 50 words per minute (m)?

Back

w = 50m means the total words typed is 50 times the minutes.

Front

What does the equation y = x - 3 represent?

Back

It represents a function where the output is 3 less than the input.

Front

What is the output of the function y = 2x when x = 5?

Back

The output is 10.

Front

What is the input if the output of the function y = 3x is 12?

Back

The input is 4.

Front

What does it mean for a function to be linear?

Back

A linear function creates a straight line when graphed.

Front

What is the slope in the equation y = 2x + 1?

Back

The slope is 2.

Front

What is the y-intercept in the equation y = 3x - 4?

Back

The y-intercept is -4.