Angelica is working on function machines. she has two machines g(x)=square root x-5 and h(x)= x^2-6. she wants to put them in order so that the output of the first machine becomes the input of the second. she wants to use a beginning input of 6.
a) in what order must she put the machines to get a final output of 5.
b)is it possible for her to get a final output of -5? if so, show how she could do that. if not explain why not.
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