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Example: Determining the Independent and Dependent Variables for the Function
For the function , which models an account starting with unread emails and growing by emails per day, the number of unread emails is a function of the number of days. The number of unread emails, , depends on the number of days, . Therefore, the variable acts as the dependent variable, while the variable serves as the independent variable.
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Ch.3 Graphs and Functions - Intermediate Algebra @ OpenStax
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Example: Determining the Independent and Dependent Variables for the Function
Example: Determining the Independent and Dependent Variables for the Function
Example: Determining the Independent and Dependent Variables for the Function
Evaluating a Mathematical Function
A manufacturing supervisor uses the function to calculate the total production cost () based on the number of units () produced during a shift. In this mathematical function, which term describes the variable ?
A service technician uses the mathematical function to calculate the total cost () of a repair based on the number of hours () worked. In this function, the variable is known as the __________ variable because its value is determined by the number of hours.
A maintenance technician uses the function to estimate the remaining life () of a mechanical part based on the number of hours () it has been in service. In this function, the variable is the dependent variable.
Analyzing Variable Roles in Production Functions
A shipping coordinator uses the mathematical function to monitor the volume of fuel () remaining in a delivery truck after hours of driving. Match each component of this function with its correct mathematical description.
Learn After
An office manager uses the function to track the number of unread emails in a shared inbox, where is the total number of unread emails and represents the number of days that have passed. Match each variable to its correct role within this function.
A project coordinator uses the function to model the number of unread emails () accumulating in a shared inbox over days. In this function, which variable serves as the independent variable?
A team supervisor uses the function to track the accumulation of unread emails () in a shared project folder over days. In this mathematical model, the variable is the ____ variable.
A project coordinator uses the function to model the number of unread emails () accumulating in a shared inbox over days. True or False: In this mathematical model, the variable serves as the dependent variable.
Identifying Variables in Email Backlog Models