Answer:
X=-1
Step-by-step explanation:
0=2x+2
subtract 2 out
-2 = 2x
divide 2 on both sides x = -1
The answer is <span>D. x=y-z-9/7</span>
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
Answer:
a
Step-by-step explanation:
Answer:
for the second questio it is certainly The last choice D
Step-by-step explanation: