What is the value of the function when x = 1? y =

Ineed to learn how to solve this problem

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

Which point is a solution to y s 4x + 5?