Mark the correct alternative in the following: In the interval (1, 2), function f(x) = 2 |x – 1|+3|x – 2| is

Question

Philoid · Accepted Answer

Formula:- (i) The necessary and sufficient condition for differentiable function defined on (a,b) to be strictly decreading on (a,b) is that f’(x)<0 for all x(a,b)

Given:-

f(x)=2(x-1)+3(2-x)

f(x)=-x+4

Therefore f’(x) <0

Hence decreasing function

Mark the correct alternative in the following:In the interval (1, 2), function f(x) = 2 |x – 1|+3|x – 2| is

Mark the correct alternative in the following:
In the interval (1, 2), function f(x) = 2 |x – 1|+3|x – 2| is