LotusWings
Name:
Brenda
School:
About:
I'm good at English, but bad at Math. :)
Current Classes in School:
AP US History
AP Biology
Chinese 3
AP English and Composition
Journalism
AP Calculus AB
Most Active Subjects
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Questions Asked
LotusWings:
Group Title
4. If x, y, and z are nonnegative numbers such that x + y = 5 and x + z = 3,
find the largest possible value of x^3 + (3/2)y^2 + z^3.
updated 20 days ago
8 replies
1 Medal
Mathematics
LotusWings:
Group Title
1. At which x-value(s) does f(x) = (x^3)/ (1+x^4)
attain its absolute maximum value?
…
updated 20 days ago
4 replies
1 Medal
Mathematics
LotusWings:
Group Title
The correct answer is suppose to be 120pi/7. Can someone tell me where I went wrong? (see image)
Find the volume of the solid formed by …
updated one year ago
1 reply
No Medals Yet
Mathematics
LotusWings:
Group Title
Evaluate: Integral of (sin^2 x cos ^3 x) dx.
The answer is (1/3)sin^3 x - (1/5) sin^5 x + C
…
updated one year ago
5 replies
2 Medals
Mathematics
LotusWings:
Group Title
If b and y represent real numbers for which y^3 = -b, which of the following statements could be true?
I. b >0
…
updated one year ago
1 reply
No Medals Yet
Mathematics
LotusWings:
Group Title
A certain fraction is equivalent to 2/3. If 3 is added to the numerator, and 1 is added to the denominator, the resulting fraction is equiva…
updated one year ago
14 replies
2 Medals
Mathematics
LotusWings:
Group Title
24: find Point of Inflection and discuss concavity of graph of func.
40: find all relative extrema, use 2nd derivative test where applicabl…
updated one year ago
15 replies
1 Medal
Mathematics
LotusWings:
Group Title
For the Biology SAT Subject Test, there are 80 questions. 20 will be either Ecological or Molecular (your choice). So does that mean the oth…
updated one year ago
2 replies
No Medals Yet
Mathematics
LotusWings:
Group Title
Quick Question:
(Regarding The Great Gatsby Ch.1)
Does this sound like an analytical question? :
…
updated 2 years ago
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Mathematics
LotusWings:
Group Title
Need help, did something wrong somewhere but can't find it. :(
updated 2 years ago
4 replies
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Mathematics
LotusWings:
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I feel like I skipped a step.
Example from Calculus AB Notes on Extrema
…
updated 2 years ago
6 replies
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Mathematics
LotusWings:
Group Title
Somehow I think I copied my class notes incorrectly...
As part of Rate of Change:
…
updated 2 years ago
2 replies
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Mathematics
LotusWings:
Group Title
Can someone define what differentiation means? How something is differentiable. Maybe include how it relates to graphs.
I learned this i…
updated 2 years ago
8 replies
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Mathematics
LotusWings:
Group Title
My own thought regarding implicit differentiation: when you get the derivative of y^2=0, you get 2y * y' =0.
So if you find the derivati…
updated 2 years ago
15 replies
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Mathematics