1. Help me check my calculus answers

    1. Which of the following functions grows the fastest as x goes to infinity? - 2^x - 3^x - e^x inf f(x)/g(x) = 5 show? - g(x) grows faster than f(x) as x goes to infinity. - f(x) and g(x) grow at the same rate as x goes to infinity.

    asked by Wiliam on July 6, 2018
  2. Calculus check please

    1. Which of the following functions grows the fastest as x goes to infinity? - 2^x - 3^x - e^x (my answer) - x^20 2. Compare the rates of growth of f(x) = x + sinx and g(x) = x as x approaches infinity. - f(x) grows faster than g(x) as x goes to infinity.

    asked by Deondre on July 3, 2018
  3. Calculus, please check my answers!

    1. Evaluate: lim x->infinity(x^4-7x+9)/(4+5x+x^3) 0 1/4 1 4 ***The limit does not exist. 2. Evaluate: lim x->infinity (2^x+x^3)/(x^2+3^x) 0 1 3/2 ***2/3 The limit does not exist. 3. lim x->0 (x^3-7x+9)/(4^x+x^3) 0 1/4 1 ***9 The limit does not exist. 4.For

    asked by Samantha on October 7, 2013
  4. Calculus help, please!

    1. Evaluate: lim x->infinity(x^4-7x+9)/(4+5x+x^3) 0 1/4 1 4 The limit does not exist. 2. Evaluate: lim x->infinity (2^x+x^3)/(x^2+3^x) 0 1 3/2 2/3 The limit does not exist. 3. lim x->0 (x^3-7x+9)/(4^x+x^3) 0 1/4 1 9 The limit does not exist. 4.For the

    asked by Samantha on October 6, 2013
  5. Check my CALCULUS answers please!

    Any short explanation for things I got wrong would be great, too, if possible! Thanks in advanced! :) 8. Which of the following functions grows the fastest? ***b(t)=t^4-3t+9 f(t)=2^t-t^3 h(t)=5^t+t^5 c(t)=sqrt(t^2-5t) d(t)=(1.1)^t 9. Which of the following

    asked by Samantha on October 7, 2013
  6. Calculus

    Which of the following functions grows the fastest as x goes to infinity? a) f(x) √x b) f(x) √(x+1) c) f(x) √(10x+1) d) They all grow at the same rate as x goes to infinity

    asked by Alice on March 22, 2019
  7. Calculus

    Which of the following functions grows the fastest as x goes to infinity? (2 points) f(x) = ex f(x) = 2x f(x) = 4x f(x) = e-2x

    asked by Kim on July 29, 2018
  8. Calculus

    Which of the following functions grows the fastest as x goes to infinity? (2 points) f(x) = ln(x) f(x) = log2(x) f(x) = x2 f(x) = 2x

    asked by Kim on July 29, 2018
  9. Calculus

    Which of the following functions grows the fastest as x goes to infinity? 3^x ln(x) e^4x x^10 I put e^4x but I thought that 3^x might have been it too. I know for sure that it is not ln(x) and x^10 because those grow much slower.

    asked by Henry on February 20, 2016
  10. Calculus Please Check my answers

    Which of the following functions grows the fastest as x grows without bound? f(x)=x^2 g(x)=x^2+5x

    asked by Ke$ha on May 21, 2017
  11. Math

    Which of the following functions grows the fastest as x grows without bound? f(x) = x10 g(x) = ln(x10) h(x) = 10x They all grow at the same rate.

    asked by Youngin on January 25, 2018
  12. Calculus

    What does lim x-->∞ f(x)/g(x)=0 show? a) g(x) grows faster than f(x) as x goes to infinity b) f(g) and g(x) grow at the same rate as x goes to infinity c) f(x) grows faster than g(x) as x goes to infinity d) LHopital's Rule must be used to determine the

    asked by Alice on March 14, 2019
  13. Calculus

    Which of the following functions grows at the same rate as e^x as x goes to infinity? a) e^(x+3) b) e^(3x) c) e^(2x) d) e^(-x)

    asked by Alice on March 12, 2019
  14. Calculus

    Which of the following functions grows the slowest as x goes to infinity? x^e e^x ex they all grow the same rate. I think it is c because it does not have any exponents.

    asked by Henry on February 20, 2016
  15. Calculus

    Which of the following functions grows at the same rate as 3^x as x goes to infinity? a)2^x b)sqrt(3^(x)+4) c)sqrt(6^x) d)sqrt(9^(x)+5^(x)) I tried this, but I'm not sure how to deal with the square roots when using l'hopital's rule. I don't think the

    asked by Anonymous on April 19, 2018
  16. MATH

    I have been trying to do this problem for a couple of days but i cant seem to get the answer. Any help would be greatly appreciated. For each of the following forms determine whether the following limit type is indeterminate, always has a fixed finite

    asked by bobby on April 16, 2012
  17. Calculus

    Compare the rates of growth of f(x) = x + sinx and g(x) = x as x approaches infinity. f(x) grows faster than g(x) as x goes to infinity. g(x) grows faster than f(x) as x goes to infinity. f(x) and g(x) grow at the same rate as x goes to infinity. The rate

    asked by Henry on February 20, 2016
  18. math

    functions f(x)=rad. x-9 write the intervals of the functions. How do I put the set of numbers in the form of intervals such as infinity. I solved it and got the answer as this: x < or = 9 (infinity,9] Please help me, I am stuck.

    asked by Caroline on September 9, 2009
  19. Algebra

    Use the function below to answer the following parts. f(x) = 1/3x - 4 if -6 ¡Ü x < ¨C 3 2 if ¨C 3 < x < 3 x^2 ¨C 4 if x > 3 I know that: Domain= [-6,infinity] Range= [-6,infinity] and points of discontinuity = x=-3,x=3 How do i graph these functions?

    asked by Jimmy on May 5, 2011
  20. science

    How would i write an hypothesis for this? What grass seed grows the fastest?

    asked by jazz on November 2, 2008
  21. math

    Which function grows the fastest for large values of x? f(x)=1.5x f(x)=8x f(x)=3x f(x)=4x2+3

    asked by Jay on May 24, 2017
  22. Math

    What is the domain of f/g, given f(x)= x+2 and g(x)= x-7? I was told this below, all real numbers EXCEPT 7 But My choices are this, (-infinity,7) U (7,infinity) (-infinity,-7) U (-7,infinity) (-infinity,-2) U (-2,7)U (7,infinity) (-infinity,infinity)

    asked by Kate on December 14, 2017
  23. Calculus

    Find the horizontal asymptote of f(x)=e^x - x lim x->infinity (e^x)-x= infinity when it's going towards infinity, shouldn't it equal to negative infinity, since 0-infinity = - infinity lim x-> -infinity (e^x)-x= infinity

    asked by sh on December 8, 2010
  24. Calculus

    Which of the following grows faster than e^x as x--> infinity x^4 ln(x) e^-x 3^x .5e^x

    asked by Kevin on June 3, 2016
  25. Calculus

    Sketch the graph of the function that has the following properties. f is continuous on (-infinity, infinity). points: (-1,2), (0, 0), (-1,0) f'(x)>0 at (-infinity, -1) f'(-1)=0 f'(x)0 on (1, infinity) f"(x)0 on (0, infinity) I'm having trouble graphing

    asked by Sarah on June 30, 2016
  26. Math

    Which describes the end behavior of the graph of the function f(x)=-2x^3-5x^2+x? a. f(x) approaches infinity as x approaches negative infinity and f(x) approaches infinity as x approaches infinity b. f(x) approaches negative infinity as x approaches

    asked by Girly Girl on October 29, 2017
  27. Differential Equation

    Determine if the following pair of functions is linearly independent or dependent on (-infinity sign, infinity sign): f(t) = e^(3x) and g(t)=xe^(3x)

    asked by Maegan on July 14, 2012
  28. Please check my Caclulus

    1. Find all intervals on which the graph of y=(x^2+1)/x^2 is concave upward. A. (negative infinity, infinity) B. (negative infinity, -1) U (1, infinity) C. (negative infinity, 0) U (0, infinity) D. (1, infinity) E. none of these I got C. I found the second

    asked by Anonymous on January 12, 2015
  29. Algebra

    Solve x(x-7)(x-9)

    asked by Rachale on July 22, 2009
  30. Algebra

    f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the following is the domain of the quotient function? A. (-infinity,2] B. (-infinity,7) U (7,infinity) C. [2,7) U (7,infinity) D. (2, infinity)

    asked by Laurie on June 19, 2009
  31. Math

    f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the following is the domain of the quotient function? A. (-infinity,2] B. (-infinity,7) U (7,infinity) C. [2,7) U (7,infinity) D. (2, infinity)

    asked by Kim on June 19, 2009
  32. math;)

    1. At which values of x does the graph of f(x)=cos x intersect the x-axis? Select all that apply. (2 answers) a. 0*** b. pi/2*** c. pi d. 3pi/2 e. 2pi 2. Which of the following represents the domain and range of y=tan x? a. domain: -infinity

    asked by girly girl on March 7, 2018
  33. Algebra

    Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the quotient function? A. (-infinity,2] B. )-infinity,7 U (7, infinity) C. [2,7) U (7, infinity) D. (2,infinity) Responses

    asked by Carmin on June 18, 2009
  34. algbra

    Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each

    asked by peg on March 23, 2011
  35. algebra

    Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each

    asked by peg on March 23, 2011
  36. Science

    The fastest growing plant on record is the hesperoyucca whipplei suppose a plant of this type grows 2.5 m in 14 days, what is the growth rate in micrometer per second?

    asked by Marwa on October 2, 2016
  37. calculus

    If f has domain [0, infinity) and has no horizontal asymptotes, then lim_(x->infinity) f(x) = infinity or lim_(x->infinity) f(x) = -infinity. Can someone please clarify whether this statement is true or false? Thank you

    asked by Tersa on October 15, 2010
  38. algebra 2

    what is the domain in interval notation when the restrictions are x cannot = 2 and x cannot = -2? I got (-infinity, 2) U (2,-infinity) (-infinity, -2) U (-2, infinity) but my math teacher marked this as wrong

    asked by marcus on October 12, 2015
  39. Algebra

    Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the quotient function? A. (-infinity,2] B. )-infinity,7 U (7, infinity) C. [2,7) U (7, infinity) D. (2,infinity)

    asked by Shelly on June 17, 2009
  40. Algebra

    Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the quotient function? A. (-infinity,2] B. )-infinity,7 U (7, infinity) C. [2,7) U (7, infinity) D. (2,infinity)

    asked by Breanna on June 18, 2009
  41. Algebra

    Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the quotient function? A. (-infinity,2] B. )-infinity,7 U (7, infinity) C. [2,7) U (7, infinity) D. (2,infinity)

    asked by Jamie on June 18, 2009
  42. algebra

    Evaluate each of the functions below at x = 1, 2, 4, 8, and 16. Plot the graph of each function. Classify each as linear, quadratic, polynomial, exponential, or logarithmic, and explain the reasons for your classifications. Compare how quickly each

    asked by peg on March 24, 2011
  43. Algebra

    I know what the answer is just not how to exopress it. Can someone help me please? State the domain of the function: f(x)(2+x)/(3-x) Now I know the domain is (-infinity,3) U (3, infinity)? (-infinity,3] U [3, infinity) ? How do I express it? do I use ]

    asked by Cassie on July 27, 2009
  44. Algebra

    I know what the answer is just not how to exopress it. Can someone help me please? State the domain of the function: f(x)(2+x)/(3-x) Now I know the domain is (-infinity,3) U (3, infinity)? (-infinity,3] U [3, infinity) ? How do I express it? do I use ]

    asked by Cassie on July 27, 2009
  45. BC Calculus

    lim x ->infinity (e^x/lnx) I got infinity/0 but is that allowed to be my answer? what about this one: limx->infinity (sqrt of x /e^x) i got 0/infinity for this.

    asked by Bob on September 8, 2009
  46. Algebra

    What is the answer? I came up with C. is this correct? Thanks for the help in advance! f(x)=root sign, and inside that x-2 and g(x)x-7. Which of the following is the domain of the quotient function f/g? A. (-infinity,2] B. (-infinity,7) U (7,infinity) C.

    asked by Laurie on June 19, 2009
  47. Algebra 2 @ Steve

    I have another question regarding functions, but instead if you are adding up functions that are in a radical. f(x) and g(x) are both square root of x+5. To find the domain of f+g, f-g, fg, and f/g, would I find the domain of each function...[-5,infinity)?

    asked by Serena on November 2, 2013
  48. Math

    1. If -1/infinity = infinity or -infinity ? 2. If lim x->infinity^- = infinity & lim x->inifinity^+ = -infinity, then lim x->infinity = does not exist. Am i right? If im wrong please tell me the reason why?

    asked by Ifi on April 6, 2013
  49. Math

    1. If -1/infinity = infinity or -infinity ? 2. If lim x->infinity^- = infinity & lim x->inifinity^+ = -infinity, then lim x->infinity = does not exist. Am i right? If im wrong please tell me the reason why?

    asked by Moly on April 6, 2013
  50. Algebra

    Use the function below to answer the following parts. 1/3x - 4 if -6 3 I found out the domain, range, and points of disontinuity. I think i did them right: Domain= [-6,infinity] Range= [-6,infinity] and points of discontinuity = x=-3,x=3 How do i graph

    asked by Jimmy on May 5, 2011
  51. Calc Please Help

    Are these correct? lim x->0 (x)/(sqrt(x^2+4) - 2) I get 4/0= +/- infinity so lim x->0+ = + infinity? and lim x->0- = + infinity? lim x->1 (x^2 - 5x + 6)/(x^2 - 3x + 2) I get 2/0, so lim x-> 1+ = - infinity? and lim x->1- = + infinity? lim h->0

    asked by Chelsea on October 14, 2010
  52. calc

    Are these correct? lim x->0 (x)/(sqrt(x^2+4) - 2) I get 4/0= +/- infinity so lim x->0+ = + infinity? and lim x->0- = + infinity? lim x->1 (x^2 - 5x + 6)/(x^2 - 3x + 2) I get 2/0, so lim x-> 1+ = - infinity? and lim x->1- = + infinity? lim h->0

    asked by Chelsea on October 13, 2010
  53. Calc. Limits

    Are these correct? lim x->0 (x)/(sqrt(x^2+4) - 2) I get 4/0= +/- infinity so lim x->0+ = + infinity? and lim x->0- = + infinity? lim x->1 (x^2 - 5x + 6)/(x^2 - 3x + 2) I get 2/0, so lim x-> 1+ = - infinity? and lim x->1- = + infinity? lim h->0

    asked by Chelsea on October 13, 2010
  54. Calculus

    Determine convergence or divergence for the following series. State the tests used and justify your answers. Sum (infinity, n=1) 1/(1+e^-n) Sum (infinity, n=1) (2*4*6...2n)/n! Sum (infinity, n=0) (n-6)/n Sum (infinity, n=0) (n-6)/n! Sum (infinity, n=0)

    asked by Jade on March 4, 2013
  55. math

    If f(x)=x-7 and g(x)=sqrt(4-x), what is the domain of the function f/g? a. (-infinity, 4) b. (-infinity, 4] c. (4, infinity) d. [4, infinity) e. (4, 7) U (7, infinity)

    asked by Kathy on August 5, 2011
  56. Algebra

    Given f(x) = ãx - 2 and , which of the following is the domain of the quotient function ? a.(-infinity,2] b.(-infinity,7) U (7,infinity) c.[2,7) U (7, infinity) d.(2, infinity)

    asked by Alex on June 17, 2009
  57. precalc

    find two functions f and g such that (f+g)(x) = 5 and domain of f + g is [0, infinity)

    asked by m on September 27, 2011
  58. science help check

    Which of these is an example of an experiment? plant growth is affected by temperature leaves may change color due to temperature add different quantities of water to three potted plants the plant which gets the most sunlight grows the fastest is it c

    asked by Oscar on February 23, 2016
  59. ALGEBRA

    Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 6

    asked by Randy on April 25, 2012
  60. ALGEBRA

    Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 9-x>=4 x + 34

    asked by Randy on April 11, 2012
  61. ALGEBRA

    Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 6

    asked by Mike on April 30, 2012
  62. ALGEBRA

    Solve the inequality. (Enter INFINITY for infinity and -INFINITY for -infinity as needed.) 3

    asked by Randy on April 11, 2012
  63. English

    1. We were the (fastest, most fastest) swimmers on the team. 1.fastest

    asked by Hayden on February 22, 2011
  64. Calculus

    For which pair of functions f(x) and g(x) below will the lim(x->infinity) f(x)g(x)≠0 a)f(x) = 10x + e^-x; g(x) = (1/5x) b)f(x) = x^2; g(x) = e^-4x c)f(x) = (Lnx)^3; g(x) = 1/x d)f(x) = √x; g(x) = e^-x

    asked by anon on November 30, 2016
  65. Calculus

    For which of these functions f(x) does limit as x approaches negative infinity f(x)=2 A. (x-2)/(3x-5) B. 2x/sqrt(x-2) C. (2x^2-6x+1)/(1+x^2) D. (2x-1)/(x^2+1) E. None of these

    asked by Anonymous on November 30, 2014
  66. AP Calculus

    For which of these functions f(x) does limit as x approaches negative infinity f(x)=2 A. (x-2)/(3x-5) B. 2x/sqrt(x-2) C. (2x^2-6x+1)/(1+x^2) D. (2x-1)/(x^2+1) E. None of these

    asked by Sarah on November 30, 2014
  67. calculus - interval of convergence

    infinity of the summation n=0: ((n+2)/(10^n))*((x-5)^n) .. my work so far. i used the ratio test = lim (n-->infinity) | [((n+3)/(10^(n+1)))*((x-5)^(n+1))] / [((n+2)/(10^n))*((x-5)^n)] | .. now my question is: was it ok for me to add "+1" to "n+2" to become

    asked by COFFEE on July 30, 2007
  68. Math Please Check

    Please tell me if this are right. Thank you! Find the exact location of all the relative and absolute extrema? h(t) = t^3 - 3t^2 domain: [-1, + infinity) For this one I got x=2 as the minimum, and x=0 as the maximum. g(t) = 3t^4 - 16t^3 + 24t^2 +1 domain:

    asked by Jennifer on October 30, 2014
  69. calculus - interval of convergence

    infinity of the summation n=0: ((n+2)/(10^n))*((x-5)^n) .. my work so far. i used the ratio test = lim (n-->infinity) | [((n+3)/(10^(n+1)))*((x-5)^(n+1))] / [((n+2)/(10^n))*((x-5)^n)] | .. now my question is: was it ok for me to add "+1" to "n+2" to become

    asked by COFFEE on July 29, 2007
  70. Calculus - ratio test

    infinity of the summation n=1: (e^n)/(n!) [using the ratio test] my work so far: = lim (n->infinity) | [(e^n+1)/((n+1)!)] / [(e^n)/(n!)] | = lim (n->infinity) | [(e^n+1)/((n+1)!)] * [(n!)/(e^n)] | = lim (n->infinity) | ((e^n)(e^1)(n!)) / ((n+1)(n!)(e^n)) |

    asked by COFFEE on July 29, 2007
  71. calculus - ratio test

    infinity of the summation n=1: (e^n)/(n!) [using the ratio test] my work so far: = lim (n->infinity) | [(e^n+1)/((n+1)!)] / [(e^n)/(n!)] | = lim (n->infinity) | [(e^n+1)/((n+1)!)] * [(n!)/(e^n)] | = lim (n->infinity) | ((e^n)(e^1)(n!)) / ((n+1)(n!)(e^n)) |

    asked by COFFEE on July 30, 2007
  72. Calculus

    I'm doing graphs/domain/range of basic functions. I have three questions: How do I find the domain and range of a function? (more preferably range...I'm okay but shaky on domain) Ex: f(x)=1/(x^2) Also, how do you write the domain and range with notation?

    asked by Anonymous on September 1, 2009
  73. Calculus 3

    Determine whether the lines intersect(have a common point) and if so, find the coordinates of that point? r(t) = < 4t+3, 4t + 2, 6t + 6>, for -infinity < t < infinity R(s) = < s + 2, 3s - 1, -4s + 10>, for -infinity < t < infinity And if r and R describe

    asked by Z32 on February 18, 2011
  74. Calculus

    I've been trying to solve the improper integral of ln(x)/sqrt(x) dx as a=1 and b=infinity I am required to solve for this question and according to my answer, it is divergent. However, my answer is infinity-4. Is it acceptable to say that infinity minus a

    asked by Confused on February 28, 2013
  75. Math-intergration

    Show that integrate.[e^(-4x)*(cos 3x)] from 0-infinity =4/25 I got the answer(without applying limits) as, {(e^(-4x) )[3sin(3x) - 4cos(3x)]}/25 But when applying the upper limit what is the value of, {(e^(-infinity) )[3sin(3*infinity) -4cos(3*infinity) ]

    asked by Shenaya on July 29, 2017
  76. Math

    For the graph of (3-x)/(5x+2)^3: is the following information right? x-intercept: (3,0) y-intercept: (0,0.375) vertical asymptote: x= -0.4 horizontal asymptote: y=0 increasing: (4.7, infinity) decreasing: (-infinity, -0.4) (-0.4, 4.7) concave up: (-0.4,

    asked by Tim on March 26, 2010
  77. Algebra

    Solve |9 – 4x| > 7 and write interval notation for the solution set. A.(1/2, 4) B. (-4,-1/2) C. (1/2, infinity) D. (-infinity U (4, infinity) I say the answer is D..Am i correct?

    asked by Rachale on July 7, 2009
  78. pre algebra

    what is the domain of the function below? f(x)= -x^2 + 11 thank you choices are: 1. (- infinity, 11) 2. (-infinity, infinity) 3.(-11, 11) 4. (11, infinity)

    asked by mark on October 25, 2017
  79. Algebra

    Convert these solutions into an inequality A)[3, infinity) b)(-infinity, -2] U (3,18) C)(-infinity, 5] U (8, infinity)

    asked by megan...Help on August 25, 2013
  80. Calculus Limits

    Question: If lim(f(x)/x)=-5 as x approaches 0, then lim(x^2(f(-1/x^2))) as x approaches infinity is equal to (a) 5 (b) -5 (c) -infinity (d) 1/5 (e) none of these The answer key says (a) 5. So this is what I know: Since lim(f(x)/x)=-5 as x approaches 0,

    asked by Anonymous on March 2, 2019
  81. English

    1. The grass grows thick in the garden. 2. The grass grows thickly in the garden. 3. The grass grows thin in the garden. 4. The grass grows thinly in the garden. (Which expressions are correct and grammatical?)

    asked by rfvv on October 11, 2012
  82. Calculus

    These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the

    asked by Anonymous on November 16, 2014
  83. Calculus I (PLEASE HELP!)

    These two q's for my homework I am very confused on how to do: First Question: Using Newton’s method, approximate the value of √5 up to 2 decimal points starting with x1 = 3. 2nd Question: Thomas Malthus was an economist that predicted that the

    asked by Anonymous on November 16, 2014
  84. Calculus

    find the intervals where the function is increasing and the intervals where it is decreasing f(x)= (x^3/3)-(x^2/2) ok i found its derivative which is (f1(x)=(x-1)x my options are increasing a) (0,infinity) b) (-1,0) c(-infinity,0)U(1,infinity) decreasing

    asked by Katia on March 9, 2011
  85. calculus

    State which of the conditions are applicable to the graph of y = f(x). (Select all that apply.) lim x→infinity f(x) = −infinity lim x→a+ f(x) = L lim x→infinity f(x) = L f is continuous on [0, a] lim x→infinity f(x) = 0 f(a) is not defined lim

    asked by Lyric on September 22, 2011
  86. calculus

    lim t-> -infinity for sqrt(4t^2-5t-1)/(2t-3) I get infinity or -infinity, but the real answer is -1. How does this occur?

    asked by Joshua on October 16, 2013
  87. Math

    Let f:[0,infinity) -> R be a differentiable function such that f'(x) >= f(x) > 0 for all x in [0,infinity). Construct a proof to show that f'(x) >= f(x) for all x in [0,infinity).

    asked by Annoymous on September 25, 2016
  88. math

    Choose any two specific functions (not already chosen by a classmate) that have inverses. Use your chosen functions to answer any one of the following questions: If the inverses of two functions are both functions, will the inverse of the composite

    asked by rachelle on October 19, 2018
  89. calculus

    Choose any two specific functions (not already chosen by a classmate) that have inverses. Use your chosen functions to answer any one of the following questions: If the inverses of two functions are both functions, will the inverse of the composite

    asked by hi on September 14, 2018
  90. Algebra

    please check my answers. thanxs! Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation. x^2 - 6x + 5 > 0 -I got (-ininity,1) u (5, infinity) x^2 - 3x - 18 < 0 -I got (-infinity,-3) u (6,

    asked by Liz on October 24, 2007
  91. Inequality

    please check my answers. thanxs! Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation. x^2 - 6x + 5 > 0 -I got (-ininity,1) u (5, infinity) x^2 - 3x - 18 < 0 -I got (-infinity,-3) u (6,

    asked by Liz on October 23, 2007
  92. Pre-cal

    Please determine the following limits if they exist. If the limit does not exist put DNE. lim 2+6x-3x^2 / (2x+1)^2 x-> - infinity lim 4n-3 / 3n^2+2 n-> infinity I did lim 2+6x-3x^2 / (2x+1)^2 x-> - infinity (2+6x-3x²)/(4x²+4x+1) (2/x² + 6/x -3)/(4 + 4/x

    asked by Randy on May 9, 2010
  93. Precalc

    Find an equation of a rational function that satisfies the given conditions. Vertical asymptote: x = 4 Horizontal asymptote: y = 0 X-intercepts: none Y-intercepts (0, -1/4) Multiplicity of 1 Removable discontinuity: x = 1 End behavior: x --> infinity, f(x)

    asked by Max on November 13, 2017
  94. College Algebra

    Pinocchio has a problem with lying. Everytime he lies, his nose grows. The size of his nose grows inversely to the square of the lying index(less truth is a statement). If his nose grows to 3 inches with a lying index of 2, what will be the lying index if

    asked by Anonymous please help :) on February 18, 2013
  95. calculus

    what is the answer for the integral of (1/(xln(x)) from 1 to infinity? I first found the integral using u substitution- so u=ln(x) and du=1/x*dx this gave my du/u,leading to the ln(u) =ln(ln(x)) from 1 to infinity then I did the limit as t approaches

    asked by sarah on February 6, 2008
  96. math

    Read the question and choose the best answer. The standard distance for the marathon race was set by the International Amateur Athletic Federation in May 1921 at a distance of 42.195 kilometers (26 miles 385 yards). The Summer Olympics Marathon record was

    asked by Anonymous on February 13, 2014
  97. college algebra

    now i understand both intersection and union but not with an infinity. how do i figure this out (-infinity,4)n(0,infinity)

    asked by Marie on February 23, 2013
  98. math

    if the inequality is: (x+5/x-2)>0 . "x-5 over x-2 greater or equal to 0". What would be the solution? a.(-infinity sign, -5] U (2, infinity sign) b.(-5,2) c.(-infinity sign, -5) U [2, infinity sign) d.[-5,2] My answer was C. Am I correct?

    asked by kim on October 31, 2014
  99. English

    Posted by rfvv on Thursday, October 11, 2012 at 3:39am. 1. The grass grows thick in the garden. 2. The grass grows thickly in the garden. 3. The grass grows thin in the garden. 4. The grass grows thinly in the garden. (Which expressions are correct and

    asked by rfvv on October 11, 2012
  100. calc

    Let g and h be nonnegative functions with limits 1 and infinity, respectively, as x → a. What is the limit of the function below as x → a? If it cannot be determined, write the indeterminate form. (9 + g(x))^−h(x) I don't understand, please explain!

    asked by Anonymous on July 15, 2012