Can two level curves of a function intersect; explain?

53,554 results
  1. CALCULUS

    Sketch the region enclosed by the given curves. y = 4/X y = 16x, y = 1X/16 x > 0 and the area between the curves

  2. math

    determine the value of k such that g(x)=3x+k intersects the quadratic function f(x)=2x^2-5x+3 at exactly one point determine the value(s) of k such that the linear function g(x)=4x+k does not intersect the parabola f(x)=-3x^2-x+4

  3. Math/ Physiology

    Why must your line intersect the origin of the graph ( zero concentration equals zero absorbance)? Explain

  4. Algebra

    The water level, w, in feet, of a river after a rainstorm is a function of the time, t, in hours, since the storm began. The table below shows the water level readings collected at different times. Hours Since Storm Began (t) Water Level (w) 1 18.7 1.5

  5. Physics

    A car travels the same distance at constant speed around two curves, one with twice the radius of curvature of the other. For which of these curves is the change of the velocity of the car greater? Explain.

  6. Calculus

    Use a graph or level curves to find the local maximum and minimum values and saddle points of the function. Then use calculus to find these values precisely. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

  7. geometry

    Is the statement true or false? Explain your reasoning. Perpendicular lines always intersect at right angles.

  8. Calculus check my answers

    1. The general solution of the differential equation dy - 0.2x dx = 0 is a family of curves. These curves are all: a. lines b. hyperbolas c. parabolas (my answer) d. ellipses 2. The table below gives selected values for the function f(x). Use a trapezoidal

  9. Calculus

    Find the domain, the range, and describe the level curves for the function f( x, y) = 1 + e^( -x^2 -y^2)

  10. Math; Solve by Graphing

    Which description best describes the solution to the following system of equations? y = −x + 4 y = 3x + 3 Line y = −x + 4 intersects the line y = 3x + 3. Lines y = −x + 4 and y = 3x + 3 intersect the x-axis. Lines y = −x + 4 and y = 3x + 3

  11. calculus

    two curves are orthogonal at a point of intersection of their tangents at that point cross at right angles. Show that the curves 2x^2+3y^2=5 and y^2=x^3 are orthogonal at (1,1) and (1,-1). Use parametric mode to draw the curves and to show the tangent

  12. chemistry

    Using a periodic table, determine the number of electrons held in energy levels 1-3 of each atom. B----2 in level 1--3 in level 2--0 in level 3 C--2 in level 1--4 in level 2--0 in level 3 Mg--2 in level 1--8 in level 2--2 in level 3

  13. Calculus (Continuity and Differentiability)

    Okay. So I am given a graph of a derivative. From what I can gather, it looks like the function might be abs(x-2)-4. (I was not given an explicit function for g', just its graph.) The question then goes on to ask me: Is it possible, impossible, or certain

  14. calculus

    "use the intermediate value theorem to prove that the curves y=x^2 and y=cosx intersect"

  15. Math, Algebra, Graphing Systems of Linear Equation

    I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't

  16. Economics

    select the correct answer out of all the possQuestion 1 (1.00 points) Question one The natural rate of unemployment is: a. higher than the full-employment rate of unemployment. b. lower than the full-employment rate of unemployment. c. that rate of

  17. Math ~ Check Answers ~

    A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 ***** c.) 5 d.) 1 Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect

  18. discrete math

    1. let A and B be sets. Show that A U (B - A)=A U B 2. determine whether f is a function from Z to R if a) f(n)= +n b) 1/(n square -4) For 1. B-A is the same as B intersect ~A (That's the complement of A) So A U B = A U (B int ~A) = (A U B) int (A U ~A) A

  19. algebra

    Please help!!! Ray and Kelsey have summer internships at an engineering firm. As part of their internship, they get to assist in the planning of a brand new roller coaster. For this assignment, you help Ray and Kelsey as they tackle the math behind some

  20. Calculus

    using the demand function p = 41 − 0.04 q instead of the one given in your book. Round your numeric answers to one decimal place. a) Write the revenue as a function of production, q. R(q) = b) What production level maximizes revenue? q = c) What price

  21. Calc 3

    The figure below shows some level curves of a differentiable function f(x,y). Based only on the information in the figure, estimate the directional derivative: fu⃗(3,1) where u→=(−i+j)/sqrt(2)

  22. Algebra

    There is a graph of f(x) and g(x). They intersect at two points. Michael says that the values of (x)=g(x) are the ordered pairs where the functions intersect. Find Michael's mistake and explain what he misunderstood. Eric isn't sure why a solution to a

  23. CALCULUS ONE!

    The graph of sinx and cosx intersect once between 0 and pi/2. What is the angle between the two curves at the point where they intersect? (You need to think about how the angle between two curves should be defined).

  24. Math

    The curves r1 = < 3t, t2, t3 > and r2 = < sin(t), sin(5t), t > intersect at the origin. Find their angle of intersection, è correct to the nearest degree. è =

  25. calculus

    Consider the curves y = x^2and y = mx, where m is some positive constant. No matter what positive constant m is, the two curves enclose a region in the first quadrant.Without using a calculator, find the positive constant m such that the area of the region

  26. math

    Can two rays intersect? Explain.

  27. Calculus

    The curves r1(t) = 5t, t^2, t^4 & r2(t) =sin t, sin 4t, 3t intersect at the origin. Find their angle of intersection, θ, correct to the nearest degree.

  28. college-ECONOMICS

    Most of the preferences we use in class exhibit convexity. What does it imply about the shape of indifference curves? Explain, in words, what this implies about consumer preferences, think of an example where this might be a bad assumption and try to come

  29. Mathematics

    8. After you eat something containing sugar, the pH or acid level in your mouth changes. This can be modelled by the function below, where L is the pH level and n is the number of minutes that have elapsed since eating. L(n)= 6- 20.4n/n^2 +36 a) What is

  30. Math ~ Check Answers ~

    A system of linear equations is shown below. 5X = 3y - 2 y = X + 4 What is the x -coordinate of the solution? a.) 2 b.) 4 c.) 5 d.) 1 ***** Jean needs to graph the function below. y = 7x ^2 + 8x -6 How many times should the graph of this function intersect

  31. physics

    The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the

  32. math

    draw 2 rays that are not parallel to each other and never intersect.explain.

  33. Managerial Economics

    Everkleen Pool Services (EPS) provides weekly swimming pool maintenance in Jeddah. Dozens of firms provide this service. The service is standardized; each company cleans the pool and maintains the proper levels of chemicals in the water. The service is

  34. Calculus 3

    Given the function f(x,y)=y/(x^2+y^2), give and identify the level curves for k=1, k=1/2, and k=1/4, and draw a contour map showing these level curves. Any help would be immensely appreciated. Thanks

  35. Pre Calculus

    Determine the coordinates of the point (xy) where the curves y=(12)x−5 and y=x2+2x−15 intersect in the third quadrant

  36. calculus

    Show that the curves (y= √2sinx) and (y=√2cosx) intersect at right angles at a certain point with 0

  37. Mathematics

    8. After you eat something containing sugar, the pH or acid level in your mouth changes. This can be modelled by the function below, where L is the pH level and n is the number of minutes that have elapsed since eating. L(n)= 6- 20.4n/(n^2 +36) Estimate

  38. Calculus

    dy/dx= (y^2 -1)/x 1. Give the general equation of the curves that satisfy this equation. 2. Show that the straight lines y=1 and y=-1 are also solutions. 3. Do any of the curves you found in 1) intersect y=1? i started by dy/(y^2 -1)= dx/x and found that

  39. economics

    For the total variable cost (TVC), draw a positive total fixed cost (TFC) and total cost (TC) curves. Then derive the associated marginal cost (MC), average total cost (ATC), average variable (AVC) and average fixed cost (AFC) curves. Be sure to capture

  40. trignometry

    suppose that the water level varies 70 inches between low tide at 8:.40 AM and high tide at 2:55PM .what he cosine function that models the variation in inches above and below the average water level as a function of the number of hours since 8:40AM .at

  41. Economics/Math

    Suppose you are the manager of a small chemical company operating in a competitive market. Your cost of production can be expressed as C = 100 + Q2, where Q is the level of output and C is total cost. a. Is this a short-run cost function? b. What is the

  42. Math

    What is an example of two functions that intersect at least twice in the first quadrant but can neither be a polynomial or a "simple" function (i.e., sin(x), e^x)?

  43. Calculus

    using the demand function p = 41 − 0.04 q instead of the one given in your book. Round your numeric answers to one decimal place. a) Write the revenue as a function of production, q. R(q) = b) What production level maximizes revenue? q = c) What price

  44. 11th grade

    The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the

  45. calculus

    Consider the graphs of y = 3x + c and y^2 = 6x, where c is a real constant. a. Determine all values of c for which the graphs intersect in two distinct points. b. suppose c = -3/2. Find the area of the region enclosed by the two curves. c. suppose c = 0.

  46. Calc

    Suppose Y1 is a function of x which dy1/dx=3y1. Suppose y2 is a function of x which dy2/dx=8x+5. If the graphs of y1 and y2 have the same y-intercept and they intersect at x=2, then determine the value of the y-intercept.

  47. math

    A parking garage has floors above and below ground level. For a scavenger hunt, galas friends are given a list of objects they need to find on the third floor and fourth level below ground, the first and fourth above ground, and ground level. a. If ground

  48. Managerial Economics

    Assume the only choice variable is total benefit function is B(x) = 170x-x², and cost function is C(x) = 100-10x + 2x². a. What are the marginal benefit and marginal cost functions? b. Set up the net benefit function and then determine the level x that

  49. Math

    can someone explain this please? Identify whether each graph represents a function. Explain. If the graph dose represent a function is the function linear? the coordinates are (0,5) (1,0) (2,-3) (3.-4)(5,0) (6,5)

  50. Microeconomics

    A monopoly firm is faced with the following demand function P = 26 – 0.5Q. The Marginal Cost function for the firm is given by 6 + 6Q and the total fixed cost is 4. Determine a) The profit maximizing output. b) The level of supernormal profit if any. c)

  51. Calculus

    Can two level curves of a function intersect; explain?

  52. math

    If the curves of f(x) and g(x) intersect x=a and x=b and if f(x)>g(x)>0 for all x on (a,b) then the volume obtained when the region bounded by the curves is rotated about the x-axis is equal to

  53. chem

    A distribution curve shows how fractions of non-ionized acid and its conjugate base vary as a function of Ph. The curves of the plot of [CH3COOH] vs. [CH3COO-] vs. PHwill intersect at a Ph of What?

  54. Calculus - Math

    Sorry in advance - it's a very wordy, multi part question. The parts with the ..........are the parts that require an answer. I have no idea where to begin or what to do to solve this. We will determine the volume obtained when revolving the solid bound by

  55. Calculus-check my answers please

    dy/dx= (y^2 -1)/x 1. Give the general equation of the curves that satisfy this equation. 2. Show that the straight lines y=1 and y=-1 are also solutions 3. Do any of the curves you found in 1) intersect y=1? My Ans: 1. The general solution i found out to

  56. Calc

    Find the areas of the regions bounded by the lines and curves by expressing x as a function of y and integrating with respect to y. x = (y-1)² - 1, x = (y-1)² + 1 from y=0 to y=2. I graphed the two functions and the do not intersect? Does it matter? Or

  57. Math (6)

    Find the area of the following two curves. y= sqrt(x) y= x-2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks

  58. Math, Algebra, Graphing Systems of Linear Equation

    I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't

  59. Math

    I need to justify how a base in a logarithmic function graph is a base. Here are the choices: The graph of f(x)= log_3 x+c must intersect with the line y= c+1 when x= 3. The graph of f(x)= log_3 x+c must intersect with the line y= c when x= 3. The graph of

  60. Statistics

    I need help on this one too. Any one willing to get me started? THANKS! Potassium is a mineral that helps the kidneys function normally. It also plays a key role in cardiac, skeletal, and smooth muscle contraction, making it an important nutrient for

  61. finite math

    Given n(A')=23, n(B')=16, and n((A [intersect] B) U (AUB)'))= 24, find (A [intersect] B) I apologize but intersect was the best way I found to represent the upside down U symbol.

  62. Statistics

    I need help on this one too. Any one willing to get me started? THANKS! Potassium is a mineral that helps the kidneys function normally. It also plays a key role in cardiac, skeletal, and smooth muscle contraction, making it an important nutrient for

  63. maths

    determine the co-ordinate of the poin of intersection of the curves y=x*x and y*y=8x. sketch the two curves and find the area enclosed by the two curves.

  64. Calculus

    Show that the curves r=acos(è) and r=cos(è) intersect at right angles. can it be shown that the derivative of one is the negative reciprocal of the derivative of the other?

  65. engineering maths

    Show that the following curves are intersect eachother orthoganally.r-(1+coso) r-(1-coso)

  66. Math

    A linear function f(x) and its inverse f-1(x) intersect at the point (5,5). Create a function, f(x) that would satisfy this requirement

  67. Math

    A linear function f(x) and its inverse f-1(x) intersect at the point (5,5). Create a function, f(x) that would satisfy this requirement

  68. Algebra/Math

    The graphs of a function f(x)=3x+b and its inverse function f^-1(x) intersect at the point (-3,a). Given that b and a are both integers, what is the value of a?

  69. Precalculus

    I know I posted this question already ,but I posted the wrong one.... Sets A,B and C are subsets of U. U= positive integers less than 16 A= prime numbers B= factors of 36 C= multiples of 4 (A intersect B)' INTERSECT C {?} I meant INTERSECT not union! My

  70. Calc 3

    Fine the contours f(x,y)= k for the k e {-1,0,1,2}. Plot these contour curves using solid line type. Clearly label the curves with the value of k. Hint: you must show the computation you used to recognize the contour curves.

  71. microeconomics

    If the technology for producign a good improves and at the same time,the price of a substitute good falls, then the quantity bought and sold of the first good will increase. True, False, or Uncertain. Explain. Take a shot. Hint: draw existing supply and

  72. English

    1. Approach level 2. On level 3. Beyond level (What is the meaning of each level? Would you explain that in the ability of students?)

  73. Economics

    (a) Explain what is meant by the term “natural monopoly”. (b) Construct a diagram showing the average and marginal cost curves, and the demand and marginal revenue curves for a natural monopoly. Use your diagram to explain why profit maximising

  74. Statistics

    I need help on this one too. Any one willing to get me started? THANKS! Potassium is a mineral that helps the kidneys function normally. It also plays a key role in cardiac, skeletal, and smooth muscle contraction, making it an important nutrient for

  75. PHYSICS

    Explain for each of the following, The Magnus force applies and how it causes an effect. a. A car tire rotating while a car drives. b. A tennis ball curves while moving towards the opposite side of the net. c. A tennis ball changes directions when it hits

  76. Indifference Curves

    For each example below, draw a set of three indifference curves that represent the given preferences. Be certain to show the direction of increasing utility. Also write down a utility function that would be consistent with the given preferences and use

  77. Math

    It is known that if the deer population falls below a certain level, m, then the deer will become extinct. It is also known that is the deer population goes above the maximum carrying capacity, M, the population will decrease to M. (a) Discuss the

  78. physics

    The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration. (a) What exerts the force in the

  79. economics

    2. Suppose that the quantity of corn supplied depends on the price of corn, p; and the amount of rainfall, R: The demand for corn depends on the price of corn, p; and the level of income, Y: The equations that describe the supply and demand relationships

  80. Japanese

    okay....so in my Japanese class right now, we're currently writing our speeches.. So far, I've come up with: (This is actually in Japanese but I've chosen to write this in English as I'm on a school computer which only allows English characters!) "At

  81. Statistics !

    Hi I have calculated some statistics using a spreadsheet program and I have to compare three slopes of regression and their significance level in an energy species hypothesis.. -2.11 level of significance is 5% -4.73 level of significance is 1% -4.13 level

  82. Vectors

    Explain why the planes 3x-6y-9z+5=0 and x+2=2y+3z never intersect

  83. economics

    if ad1 and as1 are the before curves and ad2 and as2 are the after curves how is this graph set up

  84. Algebra

    Two graph never intersect. As such, the equation has no solutions. Create an equation where the left side is a linear function and the right side is a square root function. Make it so that the equation has exactly one solution.

  85. To: Economyst

    I did mean Q Suppose you are the manager of a small chemical company operating in a competitive market. Your cost of production can be expressed as C = 100 + Q2, where Q is the level of output and C is total cost. a. Is this a short-run cost function? b.

  86. math-calculus 2

    Consider the given curves to do the following. 64 y = x^3, y = 0, x = 4 Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about y = 1.

  87. English

    * Approach level, On level, Beyond level (What are the meanings of the words? There are English problems with three levels in the text book. Approach level is for the beginners. On level is for the medium-level students. Beyond level is for the high level

  88. Microeconomics

    A monopoly firm is faced with the following demand function P = 26 – 0.5Q. The Marginal Cost function for the firm is given by 6 + 6Q and the total fixed cost is 4. Determine a) The profit maximizing output. b) The level of supernormal profit if any. c)

  89. Math

    The curves y=sinx and y=cosx intersects twice on the interval (0,2pi). Find the area of the region bounded by the two curves between the points of intersection.

  90. Math

    The curves y=sinx and y=cosx intersects twice on the interval (0,2pi). Find the area of the region bounded by the two curves between the points of intersection.

  91. Algebra

    At what two points do the graphs of y=2x^2-5x-12 and y=1/2x^2-3x+4 intersect? explain your reasoning.

  92. Managerial Economics

    Everkleen Pool Services (EPS) provides weekly swimming pool maintenance in Jeddah. Dozens of firms provide this service. The service is standardized; each company cleans the pool and maintains the proper levels of chemicals in the water. The service is

  93. MAT101

    8. For each of the relationships below, explain whether you think it is best described by a linear function or a non-linear function. Explain your reasoning thoroughly a. A person's height as a function of the person's age (from age 0 to 100) b. The

  94. MAT101

    For each of the relationships below, explain whether you think it is best described by a linear function or a non-linear function. Explain your reasoning. a. A person's height as a function of the person's age (from age 0 to 100) b. The probability of

  95. calc 2

    Consider the 4 leaf rose and a circle having polar equations: r=10cos(2Θ) and r=5 with 0≤Θ≤2π, respectively. Find the area of the region that lies inside the rose and outside the circle. hint: find the smallest positive value of Θ for which the two

  96. Microeconomics: Cost of Production

    Please help me with this question! QUESTION: Heaven Sub, a subway shop, has the following marginal product curve points for its hourly product: (0.5, 13) (1.5, 17) (2.5, 15) (3.5, 11) (4.5, 9) i) When labour increases from 2 to 3 workers, total product

  97. Managerial Economics

    When developing short-run cost curves, it is assumed that all firms in perfect competition have the same cost curves and they all make identical short-run profits or losses. Contrast this to the real world and why individual firms might experience

  98. Maths - Linear Relations Simple Problem

    Find the values of m for which the line with equation y=mx+2 does not intersect the parabola with equation y=(x-1)^2 + 5. I am not sure how to solve this problem. I know that both equations equal each other when it intersects but what happens if they don't

  99. economics

    A monopoly firm is faced with the following demand function P = 13 – 0.5Q The Marginal Cost function for the firm is given by 3 + 4Q and the total fixed cost is 4 Determine 1. The the profit maximizing output 2.The level of supernormal profit if any 3.

  100. Calc

    Find the exact total of the areas bounded by the following functions: f(x) = sinx g(x) = cosx x = 0 x = 2pi I set my calculator to graph on the x-axis as a 2pi scale. The two functions appear to cross three times between x = 0 and 2pi. (including 2pi) Now,

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