NEED HELP AGAIN ASAP! MATH PEOPLE ONLY. WILL GIVE BRAINLIEST, TON OF POINTS ONLY FOR THE RIGHT ANSWER.

The graph shows the height of a tire's air valve y, in inches, above or below the center of the tire, for a given number of seconds, x. How many degrees does the valve move per second? Actually use the right calculations, no guessing, and please explain because I am stupid. Don't just give a wrong answer for points please.

Answer options:

9 degrees
18 degrees
60 degrees
120 degrees

NEED HELP AGAIN ASAP MATH PEOPLE ONLY WILL GIVE BRAINLIEST TON OF POINTS ONLY FOR THE RIGHT ANSWER The graph shows the height of a tires air valve y in inches a class=