Questions Answered

keynote:
Group Title
Prove that n^2+5n+2 is an even integer for all n<N
 updated yesterday
 12 replies
 1 Medal

sunnybee1652:
Group Title
is the square root of 22 rational or irrational
…
 updated yesterday
 2 replies
 1 Medal

beaner123:
Group Title
Given: x  8 > 3. Choose the solution set.
 updated yesterday
 3 replies
 1 Medal

flvsucks:
Group Title
Medal!
Which of the following is the conjugate of a complex number with 3 as the real part and −5 as the imaginary part?
…
 updated yesterday
 10 replies
 1 Medal

KierseyClemons:
Group Title
Describe the range of the function shown.
y = 24/x^2 + 8?
 updated yesterday
 25 replies
 4 Medals

entrails:
Group Title
How to integrate 1/(sqrt(x+1)+sqrt(x)) ?
 updated 2 days ago
 20 replies
 4 Medals

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

Notgoodinmath:
Group Title
Which of these is the equation for a line tangent to the circle x^2 + y^2 = 20 at point (2, 4)?
i got 2x+sq20 correct or no?
 updated 4 days ago
 38 replies
 1 Medal

jj_2251:
Group Title
Need help with this problem
 updated 4 days ago
 8 replies
 2 Medals

anarvizo:
Group Title
Y(x)= x^2(y)  2cos(pix) = ln(x)  y^3
a) find the value of the derivative of y with respect to x at the point (1, 1)
 updated 4 days ago
 10 replies
 No Medals Yet

nylearns:
Group Title
Graph x = 3 sin3t
 updated 4 days ago
 12 replies
 No Medals Yet

nylearns:
Group Title
Find the derivative of f(x) = negative 6 divided by x at x = 12 and Find the derivative of f(x) = 6x + 2 at x = 1.
 updated 5 days ago
 52 replies
 No Medals Yet

Yaoserr:
Group Title
How can I derivete f(x)=sin(abs((x))?
 updated 5 days ago
 2 replies
 2 Medals

Study_Guy2:
Group Title
Find values of a and b such that the function
f(x)=ax+b /(x^2)−1
…
 updated 5 days ago
 71 replies
 3 Medals

NickStark42:
Group Title
cos=x/12
 updated 5 days ago
 10 replies
 No Medals Yet

Bigtim10:
Group Title
(m  n + k) (m + 4n  3k)
Find the product.
 updated 5 days ago
 6 replies
 1 Medal

pmkat14:
Group Title
int_{1}^{e} \frac{ 1+e^x }{ lnx } lnx
 updated 5 days ago
 28 replies
 3 Medals

lavibaby:
Group Title
If the equation of a circle is (x + 5)2 + (y  7)2 = 36, its center point is help plez
…
 updated 5 days ago
 1 reply
 No Medals Yet

ashley_ashley:
Group Title
Match the expression with its name.
6x^3 – 7x + 5
…
 updated 6 days ago
 19 replies
 1 Medal

babyauoansba:
Group Title
if x=t^3t and y = dqrt(3t+1), then dy/dx at t = 1 is
 updated 6 days ago
 4 replies
 1 Medal

sourwing:
Group Title
is the set {1/n : n natural } open? i suspect yes since every element is not an interior point
 updated 6 days ago
 12 replies
 2 Medals

babyauoansba:
Group Title
lim > pi /4, sin(xpi/4)/xpi/4
 updated 6 days ago
 8 replies
 1 Medal

Homeschooler13:
Group Title
What is the solution of the system?
2x  y = 7
4x  y = 4
…
 updated 5 days ago
 6 replies
 1 Medal

Paula_Yz:
Group Title
finding another representation(r,theta), explain howto do it please?
…
 updated 6 days ago
 3 replies
 1 Medal

shawyoung:
Group Title
Using math induction prove that (2n^3) less than or = (4^n). If N greater or equal 3
 updated 6 days ago
 54 replies
 3 Medals

AlmaGrey1567:
Group Title
One number is four plus one half of another. The sum of the numbers is 31. Find the numbers.
 updated 6 days ago
 9 replies
 No Medals Yet

luckycoins888:
Group Title
fan and medal question in comments
 updated 6 days ago
 4 replies
 1 Medal

Hmmmok:
Group Title
X3+x230x
 updated 6 days ago
 23 replies
 2 Medals

lizz123:
Group Title
Medal + Fan!!
10x — 6 = 7x + 9
 updated 6 days ago
 6 replies
 3 Medals

Merejen:
Group Title
Us Intermediate Value theorem to show that F(x)=sin(x)=1 has a zero
 updated 6 days ago
 9 replies
 1 Medal
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