Calculus solution Ex#4.4

  Exercise 4.4 Question 7 Find the absolute maximum and minimum values Solution Since it is a polynomial, therefore its continuous and differentiable everywhere. To find critical points:     differentiating w.r.t     Set         The critical point lies in the interval .Therefore the absolute maximum and absolute minimum must occur … Read more

Calculus Solutions EX#4.1

EXERCISE 4.1 10.  (a)  is increasing on (b)  is not decreasing anywhere. (C) is concave up on and (d)  is concave down (e) the -coordinates of all inflection points   and 15-32. Find (a) the intervals on which is increasing, (b) open intervals on which is decreasing (c) the open intervals on which is concave … Read more