The table and graph represent two different bus tours, showing the cost of a linear function of the number of people in a group. which description best describes the two functions?
plz answer i asked it twice : (

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Which is the focus of a parabola with equation y2=4x