Answer:
Step-by-step explanation:
Here, we want to get the equation that relates G to D
From the given question,
G represents what is left in the tank
D represents the total distance traveled
Initially, she has 18 gallons, this drops at the rate of 1 gallon per 35 miles
The equation of a straight line is:
![y\text{ = mx + b}](https://img.qammunity.org/2023/formulas/mathematics/college/yw2q0p6vyzh9spy336dumq3zdpb67k7euq.png)
where m is the slope and b is the y-intercept
Thus, we have it that:
![G\text{ = 35D - 18}](https://img.qammunity.org/2023/formulas/mathematics/college/h7tw5bkf63pztjo6l8804zk2634xib7yjf.png)
Now, we proceed to plot the graph of the function:
For the points to plot:
when D = 20, g will be