Consider the following functions:1. f(x) = x3, x ϵ R2. f(x) = sin x, 0 < x < 2π3. f(x) = ex, x ϵ RWhich of the above functions have inverse defined on their ranges?

Consider the following functions:1. f(x) = x3, x ϵ R2. f(x) = sin x,

1.	Consider the following functions:1. f(x) = x3, x ϵ R2. f(x) = sin x, 0 < x < 2π3. f(x) = ex, x ϵ RWhich of the above functions have inverse defined on their ranges?
A.	1 and 2 only
B.	2 and 3 only
C.	1 and 3 only
D.	1, 2 and 3
Answer» B. 2 and 3 only

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