Any answers for this question

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.