proe-that-f-x-x-x-increase-in-R-

Question Number 86552 by M±th+et£s last updated on 29/Mar/20

p r o e t h a t

f (x) = x + [x]

i n c r e a s e i n R

Commented by mathmax by abdo last updated on 29/Mar/20

f^{^{'}} (x) = 1 b e c a u s e [x] \in Z \Rightarrow f i s i n c r e a s i n g a t R

Commented by M±th+et£s last updated on 29/Mar/20

t h a n k y o u s i r

Commented by mathmax by abdo last updated on 30/Mar/20

y o u a r e w e l c o m e .