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    Graphs and Functions

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    WEIRD Mathematical System

    In a "WEIRD" Mathematical system, the following is true: 11+1=1 11+2=2 5+2=2 3+5=8 5+10=4 12+9=10 9+8=6 18+28=2 27+13=7 10+9=8 11+11=11 33+7=7 22+16=5 15+12=5 15+7=11 23+10=11 22+1=1 35+12=3 These are clues! After figuring out the system answer this problem: 152+46=? It can be a combination of anything,

    Graph: How to Graph Appropriately

    Question Please select all the situations below that are POSSIBLE and do not mark those that are IMPOSSIBLE. Each list of numbers is a degree list (list of the degrees of all the vertices) of a graph. If there are extra restrictions - the graph is simple, or a tree, etc - it will be noted in the question. a. Graph, degre

    Problem set

    Question 1 Consider the functions f(x) = x^2 and g(x) = square root of x, both with domain and co-domain R+, the set of positive real numbers. Are f and g inverse functions? Give a brief reason. Question 2 Given the Hamming distance function f: A X A -> Z defined on pairs of 8-bit strings, (where A is the set o

    Measurable Functions

    Show that a function f is measurable IF AND ONLY IF there exists a sequence (f_m) of set functions such that f(x)=lim f_m(x) for almost all x. Please make sure to show the proof in both directions.

    Graphing, Domain and Range

    Given the table below, graph the function, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the graph, and also the domain and range of the entire function. x -2 -1 0 1 2 y .111 .333 1 3 9 See attachment

    Value of function at a given point

    1. The number of 4-year college, public and private, in the period 1980-1996 can be modeled by f(x)=0.0003x^3 - 0.007x^2+0.058x+1.957 0 less than or equal to X less then or equal to 16 Where X is the number of years since 1980 and f(x) is the number of 4-year colleges measured in thousands. Determine the average number

    graph the functions with data points

    For the function, y = ___1____ x - 2 a) Give the y values for x = -2, -1, 0, 1, 2, 3. Answer: Show work in this space. b) Using these points, draw a curve. Show graph here.

    Comparing Relations and Functions; AIDS, Heart Disease, Trends and Forecasting

    1. In the real world, what might be a situation where it is preferable for the data to form a relation but not a function? 2. There is a formula that converts temperature in degrees Celsius to temperature in degrees Fahrenheit. You are given the following data points: Fahrenheit Celsius Freezing point of water 32 0 Bo

    Applications of Graphing and Word Problems

    See attached for graphs. a) Given the above graph, identify the graph of the function (line, parabola, hyperbola, or exponential), explain your choice, and give the domain and range as shown in the graph, and also the domain and range of the entire function. Graph Type: Explanation: Domain: Range: b) Giv

    Graphs and Solving Linear Equations Word Problems (20 Problems)

    Solve the following equations for the unknown. 1. 5x = 20 2. 7x - 3 = 18 Graph the following equations; calculate the slope, x-intercept, and y-intercept, and label the intercepts on the graph. 3. y = x + 3 4. y = -2x - 7 5. 2x + 3y = 9 6. A consumer electronics c

    Sketching a graph of functions and finding asymptotes

    1. Approximate real zeros with zoom and trace (on calculator) for the given function. 2. Sketch graph of 2 rational functions as sketching aids, check for intercepts, symmetry, vertical asymptotes, and horizontal asymptotes 3. The management at a factory has found that the maximum number of units a worker can produce in a

    Break even analysis: Labor intensive firm and capital intensive firms

    Draw two break-even graphs-one for a conservative firm using labor-intensive production and another for a capital-intensive firm. Assuming these companies compete within the same industry and have identical sales, explain the impact of changes in sales volume on both firms' profits. Although no example is provided in the

    Comparing Sequences and Functions

    Using the index of a sequence as the domain and the value of the sequence as the range, is a sequence a function? Include the following in your answer: 1. Which one of the basic functions (linear, quadratic, rational, or exponential) is related to the arithmetic sequence? 2. Which one of the basic functions (linear, quadrat

    Equations of Straight Lines

    1. Graph line with equation y=-4x-2. 2. 2x=8y=17=0 3. Graph the line with slope -2 passing through the point (-3,4). 4. Find slope of the line graphed (-44, 28) (9, -12). 5. x=9 graph the line 6. 6x-9y+7=0. 7. 2x=5y+3 8. Write an equation of line (0, -4). 9. A line passes through the point (6, -6

    Asymptotes, Descartes's Rule and coordinates of the vertex

    1. f(x) = x^3 + x^2 - 4x - 4. (a) What is the end behavior of this function? (Does it go up or down to the left? Does it go up or down the right?) (b) What is the maximum number of turning points for this function? 2. Give the coordinates of the vertex of the parabola y = (x + 2)^2 + 5. 3. Use Descartes's Rule of Sig

    Simplify and Solve: Slope and Intercept

    1. Simplify: (3x^-2y^3)^2(3xy)^-2 / (2x^4y^3)^-3 2. Solve for X: 5 + sqrt3x + 1 = 9 3. State the slope and y-intercept of the line given and graph on the axis: 3x - 4y = 12.

    Simplifying and Solving Equations with Exponents

    1. Simplify the expression using properties of exponents. Answer should contain positive exponents only. (3x^2y^3)^2(3xy)^2 / (2x^4y^3)^-3 2. Solve for X: 3/x - 1/x+2 = -2/3x+6 3. Use the quadratic formula to solve for x: x^2 -4x + 2 = 0 4. Solve for x by factoring: x^3 + x^2 - 6x =

    Continuity of a metric space

    (See attached file for full problem description) Prove: The function f from the metric space X into the metric space Y is continuous if and only if is closed in X whenever F is closed in Y.