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Consider the following functions:
1- $\quad \mathrm{f}(\mathrm{x})=\mathrm{x}^{3}, x \in \mathbb{R}$
2- $\quad f(x)=\sin x, 0 < x < 2 \pi$
3- $\quad f(x)=e^{x}, x \in \mathbb{R}$
Which of the above functions have inverse defined on thein ranges?
Options:
1- $\quad \mathrm{f}(\mathrm{x})=\mathrm{x}^{3}, x \in \mathbb{R}$
2- $\quad f(x)=\sin x, 0 < x < 2 \pi$
3- $\quad f(x)=e^{x}, x \in \mathbb{R}$
Which of the above functions have inverse defined on thein ranges?
Solution:
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Verified Answer
The correct answer is:
1 and 3 only
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