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Answer: Choice D. 
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This is because we want to avoid having negative numbers under the square root. So we make the radicand to be 0 or larger.
The +1 at the end doesn't affect the domain.
Answer:
and 
and b=
Step-by-step explanation:
We are given that a quadratic equation

We have to solve the equation by completing square and find the value of b.






and 

And 
Therefore,
and 
and b=
Answer:
x +2xπ5+2f
Step-by-step explanation:
This is the wrong answer lol
You should multiply high and base than divided by 2
Because triangle area formula is this.
5.x^3.y^-1.z times 4.x^5.y^2
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2
So answer is ; 10.x^8.y^1.z