Need help!!
What is the equation of the quadratic functions shown in the graph?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?