We have the following information about a function f(x) :
- The function has a removable discontinuity at x=3.
- The function has an infinite discontinuity at x=10.
- The horizontal asymptote for this function is y=5.
Which of the following can be the formula for f(x) ?

A f(x)=x²−13x+30/5x−15​
B f(x)=x²−1005/x²−15x​
C f(x)=x²+13x+30/5x²−15x​
D f(x)=x²−13x+30/5x²−15x​
E f(x)=x²−13x+30/x²-3x​
F None of the above.