What ordered pair is closet to a local minimum of the function, f(x)

What is the range for 31,39,29,34,37,24,36,33,34,28

There are 40 girls and 32 boys who want to participate in 6th grade intramurals. if each team must have the same number of girls and the same number of boys, what is the greatest number of teams that can participate in intramurals? how many girls and boys will be on each team?

Which of the following statements must be true about this diagram? check all that apply. x°, y°, z°, & w°