I need to know how to solve for question number 4 please?

Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Two parallel lines are crossed by a transversal. what is value of x