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fomenos
2 years ago
5

Pls help me plssssssss​

Mathematics
1 answer:
wlad13 [49]2 years ago
4 0
See picture attached
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What is the domain of the function? y=3√x-1
geniusboy [140]
X - 1 is inside a cubic root.
The cubic root of a positive number is positive.
The cubic root of zero is zero.
The cubic root of a negative number is negative.
That means that the cubic root of any real number is also a real number.
The domain is all real numbers.
Answer: Choice A.
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3 years ago
Is (
Doss [256]

Answer:

no

Step-by-step explanation:

2 = 3 + 1

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by knowing the first equation is not equal, we can already infer that the answer is no

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Rotate the figure shown 180° clockwise. What is the coordinate of J'? <br> C. (7,6)<br> D. (-6,7)
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Step-by-step explanation:

rotating a shape 180 degrees will create the same shape, with similar coordinates. Therefore, drawing a straight line through the origin, would make the coordinates of J (6, 7)  

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3 years ago
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If the discriminant of a quadratic equation is equal to -8 , which statement describes the roots?
GaryK [48]

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The discriminant D = b^2 - 4ac tells us the nature of the roots for any quadratic in the form ax^2+bx+c = 0

There are three cases

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  • If D = 0, then we have one real number root. The root is repeated twice so it's considered a double root. This root is rational if a,b,c are rational.
  • If D > 0, then we get two different real number roots. Each root is rational if D is a perfect square and a,b,c are rational.
3 0
3 years ago
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