For nos. 4-7, refer to the rational function f(x) = *1,
4. What is the y-intercept?
A. 1
B.-9
C.
D.
5. What is the x-intercept?
A. -1
B.1
D.3
C.-3
6. What is the vertical asymptote?
A. *= 31
B. x= 3
D. none
C. x = +9
7. What is the horizontal asymptote?
A. O
B. 1
D. none
C.
NE​