The one-to-one functions g and h

are defined as follows.

G {(−8, 7), (−5,- 6),(0, -8),( 7, 3)}

Find the following:

G^{-1}(-8)= 0

H^{-1}(x)=(x-4)/3

(h∘h^{−1})(x)= h((x-4/3)= 3((x-4)/3)+4=x

(h∘h^{−1})(−8)= -8

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