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 6 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 6 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 9 months 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 9 months 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 one year 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 one year 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 one year 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 one year 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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