Problem 1QC: In Example 1, suppose we redefine the function at one point so that f(1)=1 Does this change the... Problem 2QC: Why is the graph of y=cos(1/x) difficult to plot nearx=0, as suggested by Figure 2.14? Problem 1E: Explain the meaning of limxaf(x)=L. Problem 2E: True or false: When limxaf(x) exists, it always equals f(a). Explain. Problem 3E: Finding limits from a graph Use the graph of h in the figure to find the following values or state... Problem 4E: Finding limits from a graph Use the graph of g in the figure to find the following values or state... Problem 5E: Finding limits from a graph Use the graph of f in the figure to find the following values or state... Problem 6E: Finding limits from a graph Use the graph of f in the figure to find the following values or state... Problem 7E: Estimating a limit from tables Let f(x)=x24x2. a. Calculate f(x) for each value of x in the... Problem 8E: Estimating a limit from tables Let f(x)=x31x1. a. Calculate f(x) for each value of x in the... Problem 9E: Estimating a limit numerically Let g(t)=t9t3. a. Make two tables, one showing values of g for t =... Problem 10E: Estimating a limit numerically Let f(x) = (1 + x)1/x. a. Make two tables, one showing values of f... Problem 11E: Explain the meaning of limxa+f(x)=L. Problem 12E: Explain the meaning of limxaf(x)=L. Problem 13E: If limxaf(x)=L and limxa+f(x)=M, where L and M are finite real numbers, then how are L and M related... Problem 14E: Let g(x)=x34x8|x2| a. Calculate g(x) for each value of x in the following table b. Make a conjecture... Problem 15E: Use the graph of f in the figure to find the following values or state that they do not exist. If a... Problem 16E: What are the potential problems of using a graphing utility to estimate limxaf(x)? Problem 17E: Finding limits from a graph Use the graph of f in the figure to find the following values or state... Problem 18E: One-sided and two-sided limits Use the graph of g in the figure to find the following values or... Problem 19E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 20E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 21E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 22E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 23E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 24E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 25E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 26E: Evaluating limits graphically Sketch a graph of f and use it to make a conjecture about the values... Problem 27E: Estimating limits graphically and numerically Use a graph of f to estimate limxaf(x) or to show that... Problem 28E: Estimating limits graphically and numerically Use a graph of f to estimate limxaf(x) or to show that... Problem 29E: Estimating limits graphically and numerically Use a graph of f estimate limxaf(x)or to show that the... Problem 30E: Estimating limits graphically and numerically Use a graph of f estimate limxaf(x)or to show that the... Problem 31E: Estimating limits graphically and numerically Use a graph of f estimate limxaf(x)or to show that the... Problem 32E: Estimating limits graphically and numerically Use a graph of f estimate limxaf(x)or to show that the... Problem 33E: Further Explorations 27. Explain why or why not Determine whether the following statements are true... Problem 34E: The Heaviside function The Heaviside function is used in engineering applications to model flipping... Problem 35E: Postage rates Assume postage for sending a first-class letter in the United States is 0.47 for the... Problem 36E: Calculator limits Estimate the following limits using graphs or tables. 36. limh0(1+2h)1/h2e2+h Problem 37E: Calculator limits Estimate the following limits using graphs or tables. 37.limx/2cot3xcosx Problem 38E: Calculator limits Estimate the following limits using graphs or tables. 38.limx118(x31)x31 Problem 39E: Calculator limits Estimate the following limits using graphs or tables. 39.limx19(2xx4x3)1x3/4 Problem 40E: Calculator limits Estimate the following limits using graphs or tables. 40.limx06x3xxln16 Problem 41E: Calculator limits Estimate the following limits using graphs or tables. 41.limh0ln(1+h)h Problem 42E: Calculator limits Estimate the following limits using graphs or tables. 42.limh04h1hln(h+2) Problem 43E: Strange behavior near x = 0 a. Create a table of values of sin (1/x), for x=2,23,25,27,29, and 211.... Problem 44E: Strange behavior near x = 0 a. Create a table of values of tan (3/x) for x = 12/, 12/(3),12/(5), ,... Problem 45E: Sketching graphs of functions Sketch the graph of a function with the given properties. You do not... Problem 46E: Sketching graphs of functions Sketch the graph of a function with the given properties. You do not... Problem 47E: Sketching graphs of functions Sketch the graph of a function with the given properties. You do not... Problem 48E: Sketching graphs of functions Sketch the graph of a function with the given properties. You do not... Problem 49E: Sketching graphs of functions Sketch the graph of a function with the given properties. You do not... Problem 50E: A step function Let f(x)=xx, for x 0. a. Sketch a graph of f on the interval [ 2, 2]. b. Does... Problem 51E: The floor function For any real number x, the floor function (or greatest integer function) x is the... Problem 52E: The ceiling function For any real number x, the ceiling function x is the smallest integer greater... Problem 53E: Limits of even functions A function f is even if f(x) = f(x), for all x in the domain of f. Suppose... Problem 54E: Limits of odd functions A function g is odd if g(x) = g(x), for all x in the domain of g. Suppose g... Problem 55E: Limits by graphs a. Use a graphing utility to estimate limx0tan2xsinx, limx0tan3xsinx, and... Problem 56E: Limits by graphs Graph f(x)=sinnxx, for n = 1, 2, 3, and 4 (four graphs). Use the window [1, 1] [0,... Problem 57E: Limits by graphs Use a graphing utility to plot y=sinpxsinqx for at least three different pairs of... format_list_bulleted