Domain and Range from Word Problems

Front

What is the definition of 'Domain' in a function?

Back

The domain of a function is the complete set of possible values of the independent variable (input) for which the function is defined.

Front

What is the definition of 'Range' in a function?

Back

The range of a function is the complete set of possible values of the dependent variable (output) that result from using the function.

Front

In the equation C=2h+15, what does 'h' represent?

Back

In this equation, 'h' represents the number of hours the paddle boat is rented.

Front

If Frank has $33 to spend, what is the maximum number of hours he can rent the paddle boat?

Back

Frank can rent the paddle boat for a maximum of 9 hours.

Front

What is the domain of the function y = 3x for wrapping presents if Hector wants to wrap between 25 and 30 presents?

Back

The domain is {25, 26, 27, 28, 29, 30}.

Front

What is the formula to calculate the total cost for x number of songs if each song costs $0.99?

Back

The formula is y = 0.99x.

Front

What is the domain for the situation where Mario has a $20 gift card to buy songs?

Back

The domain is all integers between 0 and 20.

Front

In the gym membership equation f(x)=40+10x, what does 'x' represent?

Back

In this equation, 'x' represents the number of months the gym membership is active.

Front

What is the domain of the gym membership function f(x)=40+10x?

Back

The domain is 0, 1, 2, 3, ... (non-negative integers representing months).

Front

What is the range of the gym membership function f(x)=40+10x?

Back

The range is $40, $50, $60, ... (the total cost after each month).