School and Work

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Home >All Categories > Science & Mathematics >Mathematics >Open Question Jojo W Member since:April 21, 2011Total points:95 (Level 1)1. Use the graph of f(x) = x2 to match the function to its corresponding graph. In words describe the transformation that occurs (ex: The graph of f(x) is shifted 6 units to the left).
f(x) = x2
Choose from the following functions:
g(x) = (x – 2)2 ; h(x) = x2 – 2 ; i(x) = (x + 3)2 ; j(x) = (x + 1)2 + 3
a)
Answer:
Function:
Description of transformation:
b)
Answer:
Function:
Description of transformation:
c)
Answer:
Function:
Description of transformation:
d)
Answer:
Function:
Description of transformation:
2. Find the domain of the function and express the answer in interval notation. Explain in words or show the calculations.
a) f(x) = 4x2 – 7x + 3
Answer:
Show Work or Explain in Words:
b) g(x)=10/x+7
Answer:
Show Work or Explain in Words:
c) f(x)=/4x-16
Answer:
Show Work or Explain in Words:
d) g(x)=2x/x-3
Answer:
Show Work or Explain in Words:
e) f(x) = 3x - 9
Answer:
Show Work or Explain in Words:
3. Find the specified asymptotes of the following functions. Recall that asymptotes are lines therefore the answer must be given as an equation of a line.
a) Find the equation of the vertical asymptote of the function : f(x)=4/x+5
Answer:
Show Work or Explain in Words:
b) Find the equation of the horizontal asymptote of the function: g(x)=5x^2-4/x+1
Answer:
Show Work or Explain in Words:
c) Find the equations of both the vertical and horizontal asymptotes of the function: f(x)=3x-1/x+4
Answer:
Vertical:
Horizontal:
Show Work or Explain in Words:
d) Find the equations of both the vertical and horizontal asymptotes of the function: g(x)=x+7/x^2-4
Answer:
Vertical:
Horizontal:
Show Work or Explain in Words:Answer Question

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Home >All Categories > Science & Mathematics >Geography >Open QuestionOKAY so i have this huge geography test next week and i have to know the exact location of every capital in the world. Are there any games online that can help me learn where each capital is??? HELLPPPPPAnswer Question

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Humans and gorillas have one different amino acid in their hemoglobin sequence. What does this say about the evolution of these two species?

A. They are probably the same species.
B. They probably have a recent common ancestor.
C. Gorillas recently evolved from humans.
D. They have no common ancestors.

Any help appreciated

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Home >All Categories > Science & Mathematics >Other - Science >Open Question its just me Member since:December 05, 2007Total points:459 (Level 2)Why might the word boiling occur to astronauts just after their space suits rupture in space during a space walk?Answer Question

by Gary H Member since:November 16, 2007Total points:24,578 (Level 6)If you reduce the pressure on water, the boiling point temperature goes down. This is why some cooking recipes are a little different in Denver CO than they are at sea level. Higher altitude lowers the boiling point of water. Reverse is lso true, if you pressurize the system, like a pressure cooker on the stove, the boiling point goes up. If the atmospheric pressure goes down far enough, the water in the astronaut's body starts to boil.

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The standard explanation is that the ability to roll your tongue is dominant, so both parents would be rr. They could only produce non-rolling children.

It actually turns out that this is not the case. Tongue rolling is not a strictly genetic trait, and so biology teachers are all "lying" when they use it as an example of a nice dominant/recessive trait.

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Home >All Categories > Science & Mathematics >Agriculture >Open Question Try Member since:November 19, 2010Total points:248 (Level 1)One day, I saw a father walking together with his teenage son. One thing that i noticed from them is that they're very much alike. It's like the father is the older version of his son, and vice versa. It makes me thinking about Genetics. His father must have brought dominant gene towards his son, and it makes me wnder: can we tell whether a person has dominant\recessive gene by their characteristic (how they behave)? Maybe like, "Strict or harsh people is more likely to descend their stric\harsh nature to their children.", can we really say that? Is it plausible?Answer Question

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