Answer:
A. 
B. 
and
D. 
Step-by-step explanation:
A rational function is of the form
where
and
are polynomial functions.
Based on this definition, every polynomial function is a rational function.
Hence the rational functions in the options provided are;
A. 
B. 
and
D. 
is not a rational function because the numerator is not a polynomial function.
Answer:
-1
Step-by-step explanation:
45 / -15 x 3
45/ -45
-1
Answer:
7/3 or 2 1/3
Step-by-step explanation:
(2x3) + (1+1)
------------------------
1x3
Hope this helps
Answer:
144 students in 9 years
Step-by-step explanation:
2%=0.02. 800×0.02=16
16×9=144