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Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

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

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?