can anybody explain what does this means? f(x)=⌊x⌋ and f(x)= ⌈x⌉
These are floor and ceiling symbols, they just round up or down to the nearest integer
So
Iff(x)=⌊x⌋thenf(3.89)=3 Iff(x)=⌈x⌉thenf(3.89)=4
thanks for the answer.