freckles
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Questions Asked

freckles:
Group Title
Help. I can't reply to questions. I can't type in the reply box. I can't close questions. So I have an open question in feedback but I thou…
 updated yesterday
 63 replies
 5 Medals
Mathematics

freckles:
Group Title
How do I reply to a question?
 updated yesterday
 5 replies
 1 Medal
Mathematics

freckles:
Group Title
Someone said you can use where the relative min and max of a continuous function occur to approximate the inflection point's x value by find…
 updated 26 days ago
 22 replies
 2 Medals
Mathematics

freckles:
Group Title
I have a really dumb question about direction fields. I actually just started to try to learn about them.
 updated one month ago
 14 replies
 No Medals Yet
Mathematics

freckles:
Group Title
Something that sorta confuses me...
I know what rate of change is... but it confuses me when someone ask what line has the greatest rate of …
 updated 2 months ago
 1 reply
 1 Medal
Mathematics

freckles:
Group Title
\[\text{ Let } \\ u=1+\frac{x^3}{3!}+\frac{x^6}{6!}+\frac{x^9}{9!}+\cdots \\ v=x+\frac{x^4}{4!}+\frac{x^7}{7!}+\frac{x^{10}}{10!}+\cdots \\ …
 updated 2 months ago
 55 replies
 5 Medals
Mathematics

freckles:
Group Title
Pretend you have an equilateral triangle and you have circles of equal diameter packed tightly inside... how do you figure out the length of…
 updated 2 months ago
 69 replies
 4 Medals
Mathematics

freckles:
Group Title
\[\int \frac{1}{x} dx \\ =\int \frac{\ln(x)}{\ln(x)} \cdot \frac{1}{x} dx=\int \frac{1}{\ln(x)} \cdot \frac{\ln(x)}{x} dx \\ =\frac{1}{\ln(…
 updated 2 months ago
 35 replies
 3 Medals
Mathematics

freckles:
Group Title
\[x^3+3x^2+3x+1 \\ x^3+1+3x^2+3x \\ (x+1)(x^2x+1)+3x(x+1) \\ (x+1)(x^2x+1+3x) \\ (x+1)(x^2+2x+1) \\ (x+1)(x+1)^2 \\ (x+1)^3 \\ \text{ So }…
 updated 2 months ago
 99 replies
 8 Medals
Mathematics

freckles:
Group Title
Example for @SolomonZelman
\[\int_1^4 \sqrt{x} dx= \frac{2x^\frac{3}{2}}{3} _1^4 = \\ \frac{2(4)^\frac{3}{2}}{3}\frac{2(1)^\frac{3}{2}}{…
 updated 2 months ago
 36 replies
 5 Medals
Mathematics

freckles:
Group Title
Write 74057 as a product of two primes. No calculators please.
 updated 2 months ago
 35 replies
 7 Medals
Mathematics

freckles:
Group Title
I think it is cute.
If a number has a even amount of digits and given a certain type of symmetry, the number can be factored like this for e…
 updated 2 months ago
 48 replies
 4 Medals
Mathematics

freckles:
Group Title
Evaluate \[\int_0^1(12x)(xx^2)^{2014} dx\]
 updated 2 months ago
 21 replies
 5 Medals
Mathematics

freckles:
Group Title
Dumb question. We can't draw graphs in just in latex right? Like there needs to be additional plug ins or whatever, right?
 updated 3 months ago
 7 replies
 2 Medals
Mathematics

freckles:
Group Title
Is there anyway we can show that 2[2*k(k+1)]+1 generates all odd squares?
 updated 3 months ago
 50 replies
 4 Medals
Mathematics

freckles:
Group Title
@cebroski
I don't know if you were interested an comparing antiderivatives or not but you can come here if you do... Like pretend we want t…
 updated 3 months ago
 11 replies
 4 Medals
Mathematics

freckles:
Group Title
Solve for a(x+y) given that a is negative, (x+y) is positive, and
2ax^2+4axy+2ay^2axay=1
 updated 5 months ago
 121 replies
 3 Medals
Mathematics

freckles:
Group Title
Prove or disprove: Let A,B, and C be functions of x such that C(x)=A(x)+B(x). If C(x) is linear function, then A(x) and B(x) are also linear…
 updated 5 months ago
 6 replies
 3 Medals
Mathematics

freckles:
Group Title
Rabbits and Dogs!
A dog sees a rabbit running in a straight line across an open field and gives chase. In a rectangular coordinate syste…
 updated 6 months ago
 51 replies
 2 Medals
Mathematics

freckles:
Group Title
Fun Calculus quesiton:
Suppose f(1)=f'(1)=0, f'' is continuous on [0,1] and f''(x)<=3 for all x. W.T.S \[  \int_0^1f(x) dx \le \frac{1}{…
 updated 6 months ago
 49 replies
 2 Medals
Mathematics

freckles:
Group Title
A university in Alabama has 1000 employees. Four hundred of the employees have at least 20 years of experience (event A), 100 are African A…
 updated 3 years ago
 19 replies
 3 Medals
Mathematics

freckles:
Group Title
Use the formal definition of derivative here:
Find f'(x) if \[f(x)=sqrt{x^4x}+2\].
 updated 3 years ago
 2 replies
 1 Medal
Mathematics