Answer:
(
−
∞
,
∞
) {
x
|
x
∈
R
}
Step-by-step explanation:
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
The answer to the variable r is r=-4
Answer:
b
Step-by-step explanation:
you do it like this add the like terms to get your awnser
It’s c because 4 and 6 are “connected”by the line which is also know as a constant relationship