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The function defined by , is:
The function $f: \mathbb{R} \to \mathbb{R}$ defined by $f(x) = \sin(3x + 2)$, $\forall x \in \mathbb{R}$ is:
- (a)One-One
- (b)Onto
- (c)Neither one-one nor onto
- (d)one-one but not onto.
Answer
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From ISC 2022 Specimen Mathematics Paper 1, question 1.