What is the solution to 2.1(2.3 + 2.1x) = 11.65 + x? A . 4.5 B . 1.5 C . 3 D . 2
1 answer:
You might be interested in
There can be no negative in a sqrt
so x+1 must be equal or greater then 0
x+1
0
x -1
so all answers must be greater then or equal to -1
-1,0,1,2,3,4,5,6,7,8
(-1,infinity) is the domain
so x+1 must be equal or greater then 0
x+1
x
so all answers must be greater then or equal to -1
-1,0,1,2,3,4,5,6,7,8
(-1,infinity) is the domain