Can you help me with the points for this graph

Which graph corresponds to the function f(x) = x2 + 4x – 1?

What is the upper quartile in the box plot?

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.