Answer:
g, k, h, f
Explanation:
Start by letting x with the functions and evaluating the function until you figure out the order.
g(6) = -(6 - 2)^2 = -16
k(-16) = -(-16/2) - 1 = 7
h(7) = 2^7 - 7 = 121
f(121) = sqrt(121) = 11
Answer: g, k, h, f
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