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Question
Find the domain and range of the following function.
f(x) = `root(3)(x + 1)`
Solution
f(x) = `root(3)(x + 1)`
f(x) is defined for all x ∈ R
∴ Domain = R
If y = `root(3)(x + 1)`, y can take any real value
∴ Range = R
∴ Domain = Range = R.
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