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sktsasus
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sktsasus
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09-17-2017
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11-30-2017,
05:34 PM
sktsasus
started a thread
Basis for the Null Space of a Matrix
in
Intermediate/Advanced Algebra
"Let A = \begin{pmatrix}-1&2&-13&-6\\ 2&1&1&-3\\ -3&0&-9&0\\ 7&2&11&-6\end{pmatrix} Determine a basis for the null space of A." So I...
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1 replies | 119 view(s)
11-29-2017,
05:01 PM
sktsasus
replied to a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
Yes, exactly! I think this was supposed to be one of the harder ones.
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16 replies | 645 view(s)
11-29-2017,
05:00 PM
sktsasus
replied to a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
OK I understand. Thanks for clarifying!
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16 replies | 645 view(s)
11-28-2017,
07:12 PM
sktsasus
replied to a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
Wow, that's interesting! I never knew that. This would have really simplified everything. Thanks for the advice! I will keep it in mind from now on.
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16 replies | 645 view(s)
11-28-2017,
07:11 PM
sktsasus
replied to a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
Yes, the "strange numbers" I was referring to were the very large ones requiring scientific notation. This put me off a little bit. But I just need...
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16 replies | 645 view(s)
11-27-2017,
08:55 PM
sktsasus
replied to a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
I see. Yes the textbook's method is fine (matches the answer expected in software). I just overlooked it because this particular function is very...
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16 replies | 645 view(s)
11-27-2017,
06:47 PM
sktsasus
replied to a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
The software you are describing sounds quite advanced. Ours seems to be quite simple in comparison. But we do have a textbook through which we can...
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16 replies | 645 view(s)
11-27-2017,
12:41 PM
sktsasus
replied to a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
Thank you! Your answer is correct! I guess I misinterpreted the concavity at -4 and 4. Yes it was a piece of software on which I was doing this....
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16 replies | 645 view(s)
11-27-2017,
02:41 AM
sktsasus
started a thread
Where is function f(x) = (x^2 - 16)^6 concave up?
in
Calculus
The function is ((x^2)-16)^6. So I did all the relevant calculations and all my others answers about inflexion points, critical points, extreme...
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16 replies | 645 view(s)
11-23-2017,
11:32 PM
sktsasus
started a thread
Finding the matrix T(x)
in
Intermediate/Advanced Algebra
"Let T be a linear transformation on the plane with T \begin{pmatrix}2\\ 3\end{pmatrix} = \begin{pmatrix}-3\\ 3\end{pmatrix} and T...
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1 replies | 139 view(s)
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