atar90plus
01000101=YES! YES! YES!
- Joined
- Jan 16, 2012
- Messages
- 628
- Gender
- Male
- HSC
- 2013
I was wondering if you guys could help me with these difficult questions. Could you guys please show the full working out and solutions.
Q1. Show that the following functions increase for all values of x in their domains
g) y=2x - 1/x
h) y=x + root 2x-1
Q2. Show that the following functions decrease for all values of x in their domains
b) y= -x^3+3x^2-4x+1
c) y=root 1-x
Q1. Show that the following functions increase for all values of x in their domains
g) y=2x - 1/x
h) y=x + root 2x-1
Q2. Show that the following functions decrease for all values of x in their domains
b) y= -x^3+3x^2-4x+1
c) y=root 1-x