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 one month 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 one month 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 2 years 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 2 years 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