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UNO [17]
4 years ago
13

How to Solve this?? Please provide steps for remembrance.

Mathematics
1 answer:
belka [17]4 years ago
8 0

When a problem asks g\circ f, it really means: g(f(x))

So, whenever you have a function say f(x), and you want to find f(1), you plug 1 wherever you see an x. This problem is no differen, except we're plugging in an f(x) wherever we see an x in g(x) to get:

g(f(x))=f(x)^2+16 \implies\\ g(f(x))=(\sqrt{x})^2+16 \implies\\ g(f(x))=x+16

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