Brainliest goes to whoever answers correctly try to show work ONLY if you can

Given the graph below state whether or not the relation is a function, and give the domain and range.

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)