For any values less than -3, the answer is undefined, because then you have a negative value for √x+3
Answer:
sorry I don't knowledge can see the your brother's do
Answer:

Step-by-step explanation:
Given
Represent the number with x.
So:

or

We want to solve for x
Subtract both sides by 2


Solve for x


No other number aside 0, satisfy the property.
First graph: h(x) is decreasing but in [1, too) , is rising
D(x) is decreasing