Yes it does and ipthe equation also is y=kx or k=yx
Answer:
x
Step-by-step explanation:
just look at them what do they have in common?
Answer:
Option b
or 
Step-by-step explanation:
The absolute value is a function that transforms any value x into a positive number.
Therefore, for the function
x> 0 for all real numbers.
Then the equation:
has two cases
if
(i)
if
(ii)
We solve the case (i)

We solve the case (ii)

Then the solution is:
or 
Answer:
no x values repeat, so yes it is a function
Step-by-step explanation: