Which equation best matches the graph shown below ?

Which linear inequality is represented by the graph?

The daily production of a company is modeled by the function p = -w^2 + 75w - 1200. the daily production, p, is dependent on the number of workers (w) present. if the break-even point is when p=0, what are the least and greatest number of workers the company must have present each day in order to break even? 50 points! will give brainliest!

Find the median of the set of data this box-and-whisker plot represents. 15 16 17 18