Answer:
Step-by-step explanation:
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The domain for which the function is defined is given by:
D.
.
<h3>What is the domain of a function?</h3>
The domain of a function is the set that contains all possible input values for the function.
A square root is only defined for non-negative values, hence:
.
.
The intersection of these two domains is
, hence option D is correct.
More can be learned about the domain of a function at brainly.com/question/10891721
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Answer:
d=5
Step-by-step explanation:
1. use the distance formula: d=![\sqrt{(x_{2} - x_{2} )^{2} +(y_{2} -y_{1} )^{2}](https://tex.z-dn.net/?f=%5Csqrt%7B%28x_%7B2%7D%20-%20x_%7B2%7D%20%29%5E%7B2%7D%20%2B%28y_%7B2%7D%20-y_%7B1%7D%20%29%5E%7B2%7D)
2. plug in the points: d=![\sqrt{(0-4)^{2} +(-9+6)^{2}](https://tex.z-dn.net/?f=%5Csqrt%7B%280-4%29%5E%7B2%7D%20%2B%28-9%2B6%29%5E%7B2%7D)
3. solve problem inside parentheses: d=![\sqrt{(-4)^{2} +(-3)^{2}](https://tex.z-dn.net/?f=%5Csqrt%7B%28-4%29%5E%7B2%7D%20%2B%28-3%29%5E%7B2%7D)
4. square -4 and -3: d=![\sqrt{16+9](https://tex.z-dn.net/?f=%5Csqrt%7B16%2B9)
5. add:d=
6. find square root: d=5
Use the FOIL method
First, Outside, Inside, Last
(2x -5)(x + 3)
2x(x) = 2x²
2x(3) = 6x
-5(x) = -5x
-5(3) = -15
2x² + 6x - 5x - 15
simplify
2x² + 6x - 5x - 15
2x² + x - 15
2x² + x - 15 is your answer
hope this helps
It would be C - You round up when the second number is past 4 :)
And tenth is talking about decimals.