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Application of Derivatives
Question
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Find the maximum and minimum values, if any, of the following function without using the derivatives:
x + 1, x ∊ (– 1, 1)

Answer

Let f (x) = x + 1
Here f (x) can assume any positive value depending upon x. Also f (x) can assume any negative value depending upon x.
∴   there is neither maximum nor minimum value.

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Some More Questions From Application of Derivatives Chapter

The radius of a circle is increasing uniformly at the rate of 4 cm per second Find the rate at which the area of the circle is increasing when the radius is 8 cm.