The one-to-one functions g and h are defined as follows

[Dhanalakshmi]

The one-to-one functions g and h are defined as follows. g = { (−2,1), (1, 5), ( 3,−6), (8,− 4) } , h(x) = 4x − 13. Find the following:

a) g⁻¹(1).
b) h⁻¹(x) .
c) (h o h⁻¹)(−9).