hi whats 4-9(345)=567(77)2
4-9(345)=567(77)2
By rule of PEMDAS, you have to multiply 345 by -9 before you subtract it from 4.
4-3105=567*77*2
Simplify
4-3105=87318
-3101=87318
This is not true, so this equation is not a function.