Problem 1E: In Exercises 16, investigate the one-parameter family of functions. Assume that a is positive. (a)... Problem 2E: In Exercises 16, investigate the one-parameter family of functions. Assume that a is positive. (a)... Problem 3E: In Exercises 16, investigate the one-parameter family of functions. Assume that a is positive. (a)... Problem 4E: In Exercises 16, investigate the one-parameter family of functions. Assume that a is positive. (a)... Problem 5E: In Exercises 16, investigate the one-parameter family of functions. Assume that a is positive. (a)... Problem 6E: In Exercises 16, investigate the one-parameter family of functions. Assume that a is positive. (a)... Problem 7E: Figure 4.68 shows f(x) = 1+eax for a = 1, 2, 5. Without a calculator, identify the graphs by looking... Problem 8E: Figure 4.69 shows f(x) = xeax for a = 1, 2, 3. Without a calculator, identify the graphs by locating... Problem 9E: Consider the family y=Ax+B (a) If B = 0, what is the effect of varying A on the graph? (b) If A = 1,... Problem 10E: If A and B are positive constants, find all critical points of f(w)=Aw2Bw. Problem 11E: In Exercises 1116, investigate the given two parameter family of functions. Assume that a and b are... Problem 12E: In Exercises 1116, investigate the given two parameter family of functions. Assume that a and b are... Problem 13E: In Exercises 1116, investigate the given two parameter family of functions. Assume that a and b are... Problem 14E: In Exercises 1116, investigate the given two parameter family of functions. Assume that a and b are... Problem 15E: In Exercises 1116, investigate the given two parameter family of functions. Assume that a and b are... Problem 16E: In Exercises 1116, investigate the given two parameter family of functions. Assume that a and b are... Problem 17E: Figure 4.70 shows f(x) = x + a2x for a = 1, 2, and a third positive integer value of a. Without a... Problem 18E: Figure 4.71 shows f(x) = x+a sin x for positive values of a. Explain why any two of the curves... Problem 19E Problem 20E: (a) Graph y=f(x)=x+A using three different values for the constant A 1. (b) What is the domain of... Problem 21E Problem 22E: (a) Graph f(x) = x + a sin x for a = 0.5 and a = 3. (b) For what values of a is f(x) increasing for... Problem 23E: (a) Graph f(x) = x2 + a sin x for a = 1 and a = 20. (b) For what values of a is f(x) concave up for... Problem 24E: Let y = a cosh(xa) for a 0. Sketch graphs for a = 1, 2, 3. Describe in words the effect of... Problem 25E: Let f(x) = bxe1+bx, where b is constant and b 0. (a) What is the x-coordinate of the critical point... Problem 26E: Let (x) = ex + kx, where k is any constant. For what value(s) of k does have (a) No critical... Problem 27E: Let g(x) = x kex, where k is any constant. For what value(s) of k does the function g have a... Problem 28E: Show that f(x)=xkx, with k a positive constant and x 0, has a local minimum at a point whose x-... Problem 29E: For any constant a, let f(x) = ax x ln x for x 0. (a) What is the x-intercept of the graph of... Problem 30E: Let f(x) = x2 + cos(kx), for k 0. (a) Graph f for k = 0.5, 1, 3, 5. Find the smallest number k at... Problem 31E: Let f(x) = ex kx, for k 0. (a) Graph f for k = 14, 12, 1, 2, 4. Describe what happens as k... Problem 32E: Let f(x) = eax ebx for positive constants a and b. Explain why f is always increasing. Problem 33E: Let f(x) = eax + ebx for non-zero constants a and b. Explain why the graph of f is always concave... Problem 34E: Let f(x) = ax4 bx for positive constants a and b. Explain why the graph of f is always concave up. Problem 35E: Let f(x) = a ln x bx, for positive constants a and b. Explain why there is an interval on which f... Problem 36E: Let f(x) = ax3 bx for positive constants a and b. Explain why there is an interval on which f is... Problem 37E: Let f(x) = ax4 bx2 for positive constants a and b. Explain why there is an interval on which the... Problem 38E: (a) Find all critical points of f(x) = x3 ax + b. (b) Under what conditions on a and b does this... Problem 39E: Figure 4.72 shows graphs of four members of the family f(x)=Aex+Bexex+ex (a) What value does f(x)... Problem 40E: Figure 4.73 shows graphs of four members of the family f(x)=Axex+Bxexex+ex. (a) What value does f(x)... Problem 41E: Consider the surge function y = axebx for a, b 0. (a) Find the local maxima, local minima, and... Problem 42E: Sketch several members of the family y = eax sin bx for b = 1, and describe the graphical... Problem 43E: Sketch several members of the family y = eax sin bx for a = 1, and describe the graphical... Problem 44E: If a 0, b 0, show that f(x) = a(1 ebx) is everywhere increasing and everywhere concave down. Problem 45E: Find a formula for the family of cubic polynomials with an inflection point at the origin. How many... Problem 46E: (a) Derive formulas for the first and second derivatives of the logistic function:... Problem 47E: Find formulas for the functions described in Problems 47 58. A function of the form y = a(1 ebx)... Problem 48E: Find formulas for the functions described in Problems 47 58. A function of the form y=be(xa)2/2 with... Problem 49E: Find formulas for the functions described in Problems 47 58. A curve of the form y=e(xa)2/b for b 0... Problem 50E: Find formulas for the functions described in Problems 47 58. A logistic curve with carrying capacity... Problem 51E: Find formulas for the functions described in Problems 47 58. A function of the form y=a1+bet with... Problem 52E: Find formulas for the functions described in Problems 47 58. A cubic polynomial with a critical... Problem 53E: Find formulas for the functions described in Problems 47 58. A fourth-degree polynomial whose graph... Problem 54E: Find formulas for the functions described in Problems 47 58. A function of the form y = a sin(bt2)... Problem 55E: Find formulas for the functions described in Problems 47 58. A function of the for my = a... Problem 56E: Find formulas for the functions described in Problems 47 58. A function of the form y = aex + bx... Problem 57E: Find formulas for the functions described in Problems 47 58. A function of the form y = bxeax with a... Problem 58E: Find formulas for the functions described in Problems 47 58. A function of the form y = at + bt,... Problem 59E: A family of functions is given by r(x)=1a+(xb)2 (a) For what values of a and b does the graph of r... Problem 60E: (a) Find all critical points of f(x) = x4 + ax2 + b. (b) Under what conditions on a and b does this... Problem 61E: Let y = Aex + Bex for any constants A, B. (a) Sketch the graph of the function for... Problem 62E: The temperature, T, in C, of a yam put into a 200C oven is given as a function of time, t, in... Problem 63E: For positive a, b, the potential energy, U, of a particle is U=b(a2x2ax) for x 0. (a) Find the... Problem 64E: The force, F, on a particle with potential energy U is given by F=dUdx. Using the expression for U... Problem 65E: The Lennard-Jones model predicts the potential energy V (r) of a two-atom molecule as a function of... Problem 66E: For positive A, B, the force between two atoms is a function of the distance, r, between them:... Problem 67E: An organism has size W at time t. For positive constants A, b, and c, the Gompertz growth function... Problem 68E: In Problems 6869, explain what is wrong with the statement. Every function of the form f(x) = x2 +... Problem 69E: In Problems 6869, explain what is wrong with the statement. Every function of the form f(x) = ax +... Problem 70E: In Problems 7073, give an example of: A family of quadratic functions which has zeros at x = 0 and x... Problem 71E: In Problems 7073, give an example of: A member of the family f(x) = ax3 bx that has no critical... Problem 72E: In Problems 7073, give an example of: A family of functions, f(x), depending on a parameter a, such... Problem 73E: In Problems 7073, give an example of: A family of functions, g(x), depending on two parameters, a... Problem 74E: Let f(x) = ax + bx. Suppose a and b are positive. What happens to f(x) as b increases? (a) The... Problem 75E: Let f(x) = ax + bx. Suppose a and b are positive. What happens to f(x) as a increases? (a) The... format_list_bulleted