For real x, let f(x)""=""x^3+""5x""+""1, then | Filo

class 12

Math

Calculus

Relations and Functions II

550
150

For real x, let , then

1. f is oneone but not onto R
2. f is onto R but not oneone
3. f is oneone and onto R
4. f is neither oneone nor onto R
550
150

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