An office manager uses the function $N(t) = 75 + 10t$ to track the number of unread emails in a shared inbox, where $N$ is the total number of unread emails and $t$ represents the number of days that have passed. Match each variable to its correct role within this function.

A project coordinator uses the function $N(t) = 75 + 10t$ to model the number of unread emails ($N$) accumulating in a shared inbox over $t$ days. In this function, which variable serves as the independent variable?

A team supervisor uses the function $N(t) = 75 + 10t$ to track the accumulation of unread emails ($N$) in a shared project folder over $t$ days. In this mathematical model, the variable $N$ is the ____ variable.

A project coordinator uses the function $N(t) = 75 + 10t$ to model the number of unread emails ($N$) accumulating in a shared inbox over $t$ days. True or False: In this mathematical model, the variable $t$ serves as the dependent variable.

Identifying Variables in Email Backlog Models