Functions - Asymptotes

Question 1

Methodology to sketching reciprocal functions 1/f(x)

Answer 1

1. V.A becomes roots and roots become V.A
2. H.A. y=a becomes 1/4
3. Any point (x,y) becomes (x,1/y)
4. If f(x) is increaing, 1/f(x) is decreasing => vice versa