Write all equations associated with linear functions:
100 point more

Need asap. solve for the following inequality

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

What is the inverse of the function f(x) = 2x + 1?