Question

which is a rational function? A.)y=x-3^x/x^2 B.)y=2/x
C.)y=x-5/2
D.)y=x^2-x+4

Answer 1

i think its B but i don't want to risk it

Answer 2

A rational function is a function defined as
y=P(x)/Q(x)
With P(x) and Q(x) polynomes of x
So, yes, B will be