Answer
86 Dollars
Explanation:
It is given that
![c(x) = 3x + 65 \\](https://img.qammunity.org/2023/formulas/mathematics/high-school/sflq1megwwfer1ch9o7jxdl93qxxgoee5z.png)
Since,x is the number of miles the car is towed which in this case is 7
So, If we input 7 in the function C(x)
![c(7) = 3 * 7 + 65](https://img.qammunity.org/2023/formulas/mathematics/high-school/tplf0na5gnhvxvbvn2ami60bj4dzz4py1y.png)
We know through BODMAS that multiplication is done before addition.
Thus,
![c(7) = 21 + 65 \\ because \: 3 * 7 = 21 \\](https://img.qammunity.org/2023/formulas/mathematics/high-school/7kw1t8d73zqbbscwnf1s34hiagb0mvqs0v.png)
and so,
![c(7) = 86 \\ because \:21 + 65 = 86](https://img.qammunity.org/2023/formulas/mathematics/high-school/5rjpgvnifilnof7620k3loun153box9vk9.png)
and so,
c(7) = 86
We also know that C(x) is the cost of having the car towed which is equal to 86 for the case of towing the car 7 miles
Thus,The cost of having the car towed 7 miles is 86 Dollars