Answer:
![y= 4 + 3h](https://img.qammunity.org/2022/formulas/mathematics/high-school/10mxl4xqcwsx0umft8rcybr6j5ao4uhxaq.png)
Explanation:
Step one:
Given data
We are given that the initial distance walked is 4 miles
Also, the rate/ speed with which you are currently walking is 3 miles per hour
let the time taken be hours
and let the total distance be y
Step two:
We want to write an expression for the total distance
The total distance is given as
![y= 4 + 3h](https://img.qammunity.org/2022/formulas/mathematics/high-school/10mxl4xqcwsx0umft8rcybr6j5ao4uhxaq.png)