Answer:
Step-by-step explanation:
The first choice.
There are no real square roots of numbers < 0
so the domian is all real numbers greater than or equal to zero.
x / 3 ≤ -6
---Multiply both sides by 3 to cancel out the denominator on the left side
x ≤ -18
Hope this helps!
please see the proof in the attachment above
Answer: C
0.054 or 40/729