Calcmathlete
 Name:
 Andrew Suh
 School:
 About:
 Just an asian in high school who likes school and especially math so much that he decides to help others in school work. :)
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Questions Asked

Calcmathlete:
Group Title
When converting Riemann Sums to Definite Integrals, under what conditions are you allowed to change the limits of integration? I don't mean…
 updated 8 months ago
 17 replies
 2 Medals
Mathematics

Calcmathlete:
Group Title
Having a bit of trouble with \[\int_0^{\pi/2}\ln(\sin(x))dx\]. I'll post the solution given and the part that confuses me. Any help would be…
 updated 9 months ago
 11 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
If \[\lim_{x > 0}{\left(\frac{h(x)  5}{x}\right)} = 1\]find the value of \[\lim_{x>0}{h(x)}\]
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

Calcmathlete:
Group Title
If \[\lim_{x > 0}{\left(\frac{h(x)  5}{x}\right)} = 1\]find the value of \[\lim_{x>0}{h(x)}\] I think that it does not exist, but my book…
 updated one year ago
 No Medals Yet
Mathematics

Calcmathlete:
Group Title
Why exactly is \(31x^2 +12xy+y^2 −50x−125=0\) the equation of a degenerate conic section? I have tested it using the determinant of the matr…
 updated one year ago
 9 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
If you were given:\[f(x) = \frac{1}{\frac{1}{x}}\] would the domain be (∞, ∞) or (∞, 0)U(0, ∞)? This is a question for all such examples w…
 updated one year ago
 3 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
Solve for x: \(\sin{\frac{x}{2}} = 2\cos^{2}x  1\)
Please guide me to the answer. Like a push in the right direction.
 updated one year ago
 40 replies
 2 Medals
Mathematics

Calcmathlete:
Group Title
I need some help interpreting an example problem using the \(\epsilon\delta\) limit definition.
 updated one year ago
 39 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
The least of the three arithmetic means between 4 and 14 is equal to the positive geometric mean of 4 and k. Give the value of k. Please sh…
 updated one year ago
 No Medals Yet
Mathematics

Calcmathlete:
Group Title
For sin x > 0, \(2\sin^{2}(x) + \sin(x)\cos(x) = 0\). Give the value of \(\cos(x)\). Please show all work!
 updated one year ago
 6 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
Find the coordinates of the point where the vector line \(\vec{r} = (6 + \frac{7}{9}d)\vec{i} + (3 + \frac{4}{9}d)\vec{j} + (2  \frac{4}{9}…
 updated one year ago
 18 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
The solution to the inequality \(x^{2}  3 < 1\) in interval notation is given by (a, b) U (c, d) with a < b < c < d. Determine \(\frac{a …
 updated one year ago
 No Medals Yet
Mathematics

Calcmathlete:
Group Title
Given \(\vec{g} = 3\vec{i} + 6\vec{j}  12\vec{k}\) and \(\vec{h} = 5\vec{i}  10\vec{j} + 20\vec{k}\), how could I prove that \(\vec{g}\) …
 updated one year ago
 16 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
VECTOR PROBLEM
The cross product of the normal vectors to two planes is a vector that points in the direction of the line of intersection o…
 updated one year ago
 8 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
VECTOR PROBLEM
The cross product of the normal vectors to two planes is a vector that points in the direction of the line of intersection o…
 updated one year ago
 No Medals Yet
Mathematics

Calcmathlete:
Group Title
If an object falls five meters during the first interval of time, what is the total distance fallen at the end of the second interval of tim…
 updated 2 years ago
 No Medals Yet
Mathematics

Calcmathlete:
Group Title
Evaluate: \(\left[\begin{matrix}1 & 2 &1 & 3 \\2&3&2&0\\3&1&0&1\\0&0&3&2\end{matrix}\right]\)
 updated 2 years ago
 27 replies
 3 Medals
Mathematics

Calcmathlete:
Group Title
Why is the range of \(y = \sin^{1}\theta\) in Quadrants I and IV? I thought that the principal values were in Quadrants I and III?
 updated 2 years ago
 9 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
How would you do the cross product of a twodimensional vector? I've done threedimensional ones, but not twodimensional ones.
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
What is the difference between finding a solution graphically, numerically, and algebraically?
 updated 2 years ago
 13 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
Does \(y = \tan\theta\) have points of inflection?
I think no, but I'm not sure.
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
Does the graph \(y = \sec\theta\) have points of inflection?
I think not?
 updated 2 years ago
 No Medals Yet
Mathematics

Calcmathlete:
Group Title
Are there any values of \(\theta\) in which \(\sec \theta ~or~\csc \theta = 0\)?
I'm pretty sure that it's no since I can't think of any, bu…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
If you have a problem like \[\frac{3}{\sqrt{9}}\]does it matter if you bring the i out first or rationalize first? I believe that it doesn'…
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

Calcmathlete:
Group Title
Let \(f\) and g be defined by\[f(x) = x^2 + 8x  4~~~~~1 ≤ x ≤ 6\]\[g(x) = 5  x~~~~~0 ≤ x ≤ 7\]How would I go about with finding the domai…
 updated 2 years ago
 14 replies
 3 Medals
Mathematics

Calcmathlete:
Group Title
GIven that \(f(x) = \sqrt{9  x^2}\), and that \(g(x) = f(x  4)\), rewrite g(x) in terms of x. Please tell me how to do it and not just the…
 updated 2 years ago
 10 replies
 2 Medals
Mathematics

Calcmathlete:
Group Title
Is this correct? Just getting my facts straight...
\[a + bi = \sqrt{a^2 + b^2}\]
 updated 2 years ago
 8 replies
 2 Medals
Mathematics

Calcmathlete:
Group Title
Very confused on these particular problems...no clue what it's talking about...
…
 updated 2 years ago
 14 replies
 2 Medals
Mathematics

Calcmathlete:
Group Title
GIven the graph of y = f(x) (first attachment), graph \(y = f(x  1)^2 + 2\) (second attachment) did I do it correctly?
 updated 2 years ago
 5 replies
 2 Medals
Mathematics

Calcmathlete:
Group Title
Is there a way to get bigger parentheses? For when I use fractions, the parentheses look a bit strange since they're shorter than the fracti…
 updated 2 years ago
 7 replies
 5 Medals
Mathematics
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