MCQ
The maximum value of the function ${x^3} + {x^2} + x - 4$ is
- A$127$
- B$4$
- ✓Does not have a maximum value
- DNone of these
✓
Answer
Correct option: C.
Does not have a maximum value
c
(c) $f'(x) \ne 0$ at real values of $x$
(c) $f'(x) \ne 0$ at real values of $x$
so $f(x)$ does not have maximum value.
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