beckden
beckden
Male
June 21, 2011
Teacher
High School - 12th Grade
Computers / Technology, Mathematics, Physics
Manual High School - Peoria, IL, US (1971 - 1975)
University of Chicago - Chicago, IL, US (1975 - 1979)
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Answered a Question in Math
`Ann(BuuC) = {1,3,5,7}nn({1,2,3,4}uu{2,4,6}) ` `= {1,3,5,7}nn({1,2,3,4,6})` ...
Answered a Question in Math
(1) since `lim_(x->oo) x-1/2+x^2 = oo` and `sin x` does not have a limit as...
Answered a Question in Math
It is a lot easier if you use the fundamental theorem of Calculus `(d)/(dx)...
Answered a Question in Math
Answered a Question in Math
You can solve for y by raising e to both sides and then solving for y...
Answered a Question in Math
int ln(x)/sqrt(x) dx use LIPET to find to use `u=ln(x)` , `dv = 1/sqrt(x) dx` ...
Answered a Question in Math
Use LIPET to get `u = x^2` , then `dv = e^(2x) dx` This give `du = 2x dx` and `v =...
Answered a Question in Math
Use LIPET (ln, inv trig, polynomial, exponential, trig) to find u, we use...
Answered a Question in Math
Yes your answer is correct. No g(x) != f(x). g(x) is f(x) translated left by...
Answered a Question in Math
`int ((x^2-1)(x+1))^(-2/3) dx` This one is kind of tricky `u=(x+1)/(x-1) du =...
Answered a Question in Math
x - y = 100 and xy is a minimum. 1st we solve `x-y=100` for y to get `y = x - 100`...
Answered a Question in Math
`lim_(x->-oo)(x^2-x^4)=lim_(x->-oo)x^2(1-x^2) ` We now have...
Answered a Question in Math
f(x) is concave up when f''(x) > 0 and concave down when f''(x) < 0 f(x) =...
Answered a Question in Math
Concave up is when f''(x) > 0 and f''(x) < 0. f(x) = x^2/(x^2+1)
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Answered a Question in Math
The two aircraft form a right triangle with the right ange at the airport. Suppose...
Answered a Question in Math
`v = -g t` so `t = -v/g` And we know that `s = -1/2g t^2`...
Answered a Question in Math
`cos(angle) = -sin(angle)` when `angle = (3pi)/4` and `(7pi)/4` `sin(angle) =...
Answered a Question in Math
`4cos(theta)-sqrt(12)=0` `4cos(theta)=2sqrt(3)` `cos(theta)=sqrt(3)/2` ...
Answered a Question in Math
Answered a Question in Math
`cot(theta)=(cos(theta))/(sin(theta))` and `sin^2(theta)+cos^2(theta) = 1` so...
Answered a Question in Math
Use `x = 4/5 sin(theta)` so `sqrt(16-25x^2) = sqrt(16-25(16/25sin(theta))) = 4...
Answered a Question in Math
When the player releases the ball the horizontal distance from the player would be...
Answered a Question in Math
Answered a Question in Math
__________1 _-3 _-6 _28 _-24_______8 ___________8__24___-12 ________ -12_-366...
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