Answer:
In order to calculate the sales tax of an item, we need to first multiply the pre-tax cost of the item by the sales tax percentage after it has been converted into a decimal. Once the sales tax has been calculated it needs to be added to the pre-tax value in order to find the total cost of the item.
Step-by-step explanation:
Answer: i think no cuz f(1)=2 but i am not sure
Step-by-step explanation:
step 2 i believe is the answer
