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Quantitative Aptitude

Solving Inequalities

If f x = x 3-...

Question

If $f (x) = x^{3} - 4 x + p$ , and f (0) and f (1) are of opposite signs, then which of the following is necessarily true?

– 1 < p < 2

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0 < p < 3

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– 2 < p < 1

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– 3 < p < 0

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Solution

The correct option is B 0 < p < 3
Option (B) is the correct answer. Check the video for the approach.

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If f(x)=x3−4x+p, and f (0) and f (1) are of opposite signs, then which of the following is necessarily true?

The correct option is B 0 < p < 3Option (B) is the correct answer. Check the video for the approach.

If $f (x) = x^{3} - 4 x + p$ , and f (0) and f (1) are of opposite signs, then which of the following is necessarily true?

The correct option is B 0 < p < 3
Option (B) is the correct answer. Check the video for the approach.