Question

If f(x) = 2x, evaluate the following:
1. f^-1 (2)
2. f(2^-1)
3. f^-1(2^-1)​

Answer 1

Step-by-step explanation:

1.

y=f(x)

finverse (y)=x

y=2x

x=y/2=finverse (y)

finverse (2)=2/2=1

2.f(1/2)= 2×1/2=1

3. finverse (1/2)=y/2=1/2÷2=1/4