Time limit, pls

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

According to the data set, where should the upper quartile line of the box plot be placed?

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?