Answer:

Step-by-step explanation:
We can add 9 to both sides of the equation to get
.
We can divide both sides of the equation by 21 to get
.
We take the square root of both sides of the equation to get
.
However, that isn't in the form we need.
We know that 
so the answer is really
and we're done!
Ambiguous expression. I think you meant:
3x + 7
<span>3x/(x+5)+7/(x+5) = --------------
x+5
There's no "answer." All you can do here is to combine the terms and simpify the resulting sum.
</span>
(a) The relation is a function because each value of x maps onto only one value of y.
(b) Domain is
, range is
.
Answer:
search that to quick math
Step-by-step explanation:
.,..........