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5 votes
If f(x)= 2x then f ^-1(x)=


A. -2x
B. 1/2x
C. x-2

2 Answers

4 votes

Answer:

1/2x

Explanation:

f(x)=2x. This means that f=2 (since x=x)

2^-1= 1 divided by 2. 1/2= 0.5.

0.5(x)=1/2x.

User Avel
by
7.5k points
1 vote

You are supposed to simplify (2+h)^{2}-2*(2+h)

User Pzaj
by
8.5k points

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