Answer:
3. [6x - 2y=2.
(2 + 6x=y
Step-by-step explanation:
Answer:
Step-by-step explanation:
the minimum of f is for x = 1 and f(1)=0
f is decreasing for x<=1 and increasing for x>=1
so the domain is 
x>=1 so x is positive and we can take the square root
so 
Answer:
rational number
Step-by-step explanation:
A whole number would be just 8. Nothing behind it.
Answer: -2
Step-by-step explanation:
3x+2y=16
x+y=4 multiply by -2
-2x-2y=-8
3x+2y=16 ------a
-2x-2y=-8 -------b
Add equation a and b
(3x+-2x)+(2y+-2y) = 16+(-8)
x+0=8 (y has been eliminated)
Answer:
0.2121~
Step-by-step explanation:
It's a repeating number. 0.0212121212
