Help plz ill give extra points

If you could answer these your a life saver

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs