Question

Asked Oct 7, 2019

Can someone help me solve this problem?

Step 1

A function is said to be increasing on interva (a,b) ,if foreach x1,x2 in interval (a,b) such that x1<x2, we have f(x1)<f(x2)

From graph , it is clear that the function is increasing in interval (-4,infinity)

Step 2

b) A function is said to be decreasing on interva (a,b) ,if foreach x1,x2 in interval (a,b) such that x1<x2, we have f(x1)>f(x2)

From graph , it is clear that the function is decreasing in interval (-infinity,-4)

Step 3

c) There is no interval on which...

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