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rusak2 [61]
3 years ago
13

Use f(x) = 2 x and f-1(x) = 2x to solve the problems. F^-1(f(x))= f(f^-1(x))

Mathematics
2 answers:
Virty [35]3 years ago
7 0

Answer:

see the procedure

Step-by-step explanation:

we have

f(x)=\frac{1}{2}x

f^{-1}(x)=2x

step 1

Find f^{-1}(f(x))

substitute the variable x for the function f(x)

f^{-1}(f(x))=2(\frac{1}{2}x)

simplify

f^{-1}(f(x))=x

step 2

Find f(f^{-1}(x))

substitute the variable x for the function f^-1(x)

f(f^{-1}(x))=\frac{1}{2}(2x)

simplify

f(f^{-1}(x))=x

step 3

Compare

f^{-1}(f(x))=x

f(f^{-1}(x))=x

therefore

f^{-1}(f(x))=f(f^{-1}(x)) ---> is verified

kirill [66]3 years ago
5 0

Answer: the answer is actually X

Step-by-step explanation:

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