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qwelly [4]
3 years ago
5

Instructions: Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

Mathematics
2 answers:
dangina [55]3 years ago
8 0
f(g(x))=1/x^2+9/x\Rightarrow f(g(-1))=-8

f(g(x))=1/(x^2+9x) \Rightarrow g(f(1/2))=4/19
Vikki [24]3 years ago
3 0

Answer:

-8

2/19

Step-by-step explanation:

We must substitute x=-1 into g(x) and then the answer of g(x) we must substiute as x into f(x). Similarly we must substitute x=1/2 into f(x) and the answer as x into g(x):

1. x=-1 into g(x)

=1/-1=-1

substitute x=-1 into f(x)

=(-1)^2+9\cdot(-1)=-8

2. x=1/2 into f(x)

=(1/2)^2+9\cdot(1/2)=19/2

substitute x=19/2 into g(x)

=1/(11/2)=2/19

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