f(x)= (9(6)-1) - (9(2)-1) Can you guys help solve this?
f(x)= (9(6)-1) - (9(2)-1)=53-17 = 36
f(x)=36 so f and x could both be 6 or one is 4 and the other is 9
OH anon this is a function it does not mean f*x
Good attempt though. thumbs up for you :)