223 Answered Questions for the topic Limits

Limits

09/25/16

Negative infinity limits with radicals
limx--> -infty x3/5 - x1/5
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Limits

09/25/16

Infinity limit with radicals
limx-->infty (√3x5-2x) - (√3x5-7x)    *In both brackets, the square root is over the entire polynomial.*   I tries solving by first rationalizing, and then when it become one fraction, i... more
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Limits

09/25/16

Limits with trig
Hi, I really need help with the following :    a) limx--->0 (1-cos2x)/(x)   b) limx--> 0 (1-cos2t) /(sin^2(3t))
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Limits

09/25/16

Limits at infinity with e
lim--> -infty (4+6e^2t)/(5-9e^3t)   I really dont understand it
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Limits

09/25/16

Limits at infinity with a radical
lim x--> -infty ( 4x-3)/(25x^2+4x)   Im not sure if this is a legititamte way of solving but heres how I attempted:  I took the highest power at the bottom and top and just left it like that... more
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Limits Calculus 1

09/21/16

(sin(p-x))/(p-x)
Find the limit as x approaches π (pi).
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Limits

09/18/16

Limits Help
  Im pretty sure the first one is a composite limit and the next i just have to find the limit   lim(x→0) [cos?(x)]/[ln?(sin?(x) )]     lim(x→∞) [(e^x)/(1-e^x )]      lim(x→-∞)... more
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Limits

09/16/16

How do I solve these limits
lim as x tends to pi/4 ( sinx-cosx)/(tanx-1)    lim as x tends to pi/2 ( secx-tanx)
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Limits

09/16/16

Limits...is my answer correct?
lim as x tends to pi/2  cotx/cscx.   (cos/sin)/(1/sin) = cosx = 0 
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Limits

09/15/16

Find polynomials p and q such that p/q is undefined at 1 and 2, but p/q has a vertical asymptote only at 2. Sketch the graph of the function
Please, i got an exam tmr and i have to solve this asap
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Limits

09/12/16

Right and left continuous limits
Suppose f(x) =2 f x<3 and f(x) = —4 for x>3. a) what is f(3) if f is left continious at x=3 b) what is f(3) if f is right continuos at x=3   I really have no idea how to do this. 
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Limits

07/29/16

Finding the limit
Hi, Im really confused on how to find the following limits:    a) limx→0   (csc(3x)/(sec(2x)      b) limx→0  (tan(5x) / (6x)
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Limits L'hopital

07/23/16

evaluate the limit
lim (1+4x)^3/x as x goes to 0
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07/23/16

evaluate the limit
lim(x-√(x^2+1)) as x goes to infinity 
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Limits

07/14/16

If f(x) = 4x then f(x+1) – f(x) equals
pls help  
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Limits Calculus 2

06/28/16

limit of logs and es
lim as x approaches infinity of ln (3)   lim as x approaches infinity of ln (3-4x)   lim as x approaches infinity of -1/5 (e ^ - 5x)   lim as x approaches infinity of -1/5 (e ^ -10)  
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06/18/16

L HOPITALS and derivative
ive got 3 questions   lim x approaches positive 1 (sq rt of x^2 - 1) / (arcsecx)   lim x approaches 0  2arctan3x^2 / 7x^2     initial value prob   dy/dx=1/(x^2+1) -1     I NEED HELP... more
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Limits

05/08/16

What is the limit of (x+3)/(x-3)^2 as x approaches 3
lim     __(x-3)__ x->3     (x-3)^2
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04/22/16

PROFIT FUNCTION IN CALC
I need help answering this word problem...I need to find the function P(t) and I just can't remember the process whatsoever   "A company has its profit function P(t) defined since its inception... more
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Limits Calculus

04/18/16

Evaluate each limit, if it exsists.
Here are some examples of questions in the textbook that I don't know how to do for my test!   Evaluate each limit:   lim (x approaches 0) tanx/x     lim (x approaches 0)... more
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Limits

03/29/16

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x?8 (1+2/x)^x
I need detailed solution with working shown
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Limits

03/29/16

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x?8 x tan(1/x)
i need detailed solution with working shown.
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03/17/16

Find the limit below.
Find the limit below.   limτ(x→3) (x^4−81)/(x−3)    
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01/16/16

Let f(x)= x^1/2. Find f'(9) using the definition f'(a)=limex->a f(x)-f(a)/x-a
I am stuck can you please help?   So far I have limx->9√x-√9                               x  -9                               =x(x^-1/2)-(3/x)                              ... more
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01/16/16

Suppose limh->0 (f(h)-f(0))/h =+infinity and f(0)=0. What kind of feature can best explain this?
a)such scenario is not possible b)f(x) has a vertical tangent at x=0 c)f(x) must be discontinuous at x=0 d)f(x) has a vertical assymptote at x=0, and f(0) is defined to be 0.   I tried a) and... more
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