Hence, 
5  is the minimum
distance between the soldier and the helicopter EXERCISE 6 3
1 Find the maximum and minimum values, if any, of the following functions
given by
(i) f (x) = (2x – 1)2 + 3
(ii) f (x) = 9x2 + 12x + 2
(iii) f (x) = – (x – 1)2 + 10
(iv) g(x) = x3 + 1
Rationalised 2023-24
APPLICATION OF DERIVATIVES
175
2