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Please help, need to finish soon!!

Please help, need to finish soon!!-example-1

1 Answer

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Given g is a one-to-one function

g(1) = 5

g-1(5) = 1

Given h is a one-to-one function

h(x) = 4x + 9

y = 4x + 9

(y-9)/4 = x

h-1(x) = (x-9)/4

(h-1°h)(-2) = h-1(h(-2))

= h-1(1) [ as h(-2) = 1]

= (1-9)/4

= -2

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