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3 votes
Use f(x) = 1/2x and f -1(x) = 2x to solve the problems.

f(2) =

f−1(1) =

f−1(f(2)) =

2 Answers

6 votes


f(2) = (1)/(2) * 2 = 1\\f^(-1)(1) = 2 * 1 = 2\\f^(-1)(f(2)) = f^(-1)(1) = 2

Note:
f^(-1)(f(x)) = x because f -1 and f cancel each other out.

User Kevin Doherty
by
7.7k points
4 votes

Answer:

f(2) =

⇒ 1

f−1(1) =

⇒ 2

f−1(f(2)) =

⇒ 2

f−1(−2) =

⇒ -4

f(−4) =

⇒ -2

f(f−1(−2)) =

⇒ -2

Explanation:

User Kurbz
by
8.3k points

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