Answer:
31 and 37 are the only prime numbers between 30 and 40
Divide: 9x 2/36 - 4y 2/36 = 36/36. Simplify: x2/4 - y2/9 = 1. Then do (x-0) 2/4 - (y-0)2 =1. Hyperbola.
100+25x = y
Sorry gotta get 20 characters ignore this
I think its f(0) = 3
Thats the only one that sounds true but not sureee
