Problem
Write the function rule for the table. Let $m=$ number of months and $t=$ total price of cell phone service. \begin{tabular}{|c|c|} \hline $\begin{array}{c}\text { Number of } \\ \text { months }\end{array}$ & $\begin{array}{c}\text { Total price of cell } \\ \text { phone service }\end{array}$ \\ \hline 1 & $\$ 35$ \\ \hline 2 & $\$ 70$ \\ \hline 3 & $\$ 105$ \\ \hline 4 & $\$ 140$ \\ \hline \end{tabular}
Solution
Step 1 ：The given table shows a linear relationship between the number of months and the total price of cell phone service. For each additional month, the total price increases by $35.
Step 2 ：This suggests that the function rule is \(t = 35m\), where \(m\) is the number of months and \(t\) is the total price of cell phone service.
Step 3 ：\(\boxed{t = 35m}\) is the final answer.
