We are asked to model the given problem using a function in the form of y=mx +c
In this case, our "y" will be the total amount spent while m as the co-efficient of x will equal the amount spent per bag. Lastly the $10.5 dollars that needs to be spent per order has been given independent of how many bags are ordered. This is our value for "c".
Correct option: g(x) = 16.49x + 10.5
We will then calculate the cost of buying 12 bags by substituting this into our equation:
g(12) = 16.49(12) + 10.5
= $208.38