Problem 1E: 1. If f(x)=x+2x and g(u)=u+2u, is it true that f = g? Problem 2E: If f(x)=x2xx1andg(x)=x is it true that f = g? Problem 3E: The graph of a function f is given. (a) State the value of f(1). (b) Estimate the value of f(1). (c)... Problem 4E: The graphs of f and g are given. (a) State the values of f(4) and g(3). (b) For what values of x is... Problem 5E Problem 6E: Determine whether the curve is the graph of a function of x. If it is, state the domain and range of... Problem 7E: Determine whether the curve is the graph of a function of x. If it is, state the domain and range of... Problem 8E: Determine whether the curve is the graph of a function of x. If it is, state the domain and range of... Problem 9E Problem 10E: The graph shows the height of the water in a bathtub as a function of time. Give a verbal... Problem 11E Problem 12E: Sketch a rough graph of the number of hours of daylight as a function of the time of year. Problem 13E Problem 14E: Sketch a rough graph of the market value of a new car as a function of time for a period of 20... Problem 15E Problem 16E: You place a frozen pie in an oven and bake it for an hour. Then you take it out and let it cool... Problem 17E: A homeowner mows the lawn every Wednesday afternoon. Sketch a rough graph of the height of the grass... Problem 18E: An airplane takes off from an airport and lands an hour later at another airport, 400 miles away. If... Problem 19E: If f(x) = 3x2 x + 2, find f(2), f(2), f(a), f(a), f(a + 1), 2f(a), f(2a), f(a2), [f(a)]2, and f(a +... Problem 20E: A spherical balloon with radius r inches has volume V(r)=43r3. Find a function that represents the... Problem 21E: Evaluate the difference quotient for the given function. Simplify your answer. 27.... Problem 22E: Evaluate the difference quotient for the given function. Simplify your answer. 28.... Problem 23E: Evaluate the difference quotient for the given function. Simplify your answer. 29. f(x)=1x,... Problem 24E Problem 25E: Find the domain of the function. 31. f(x)=x+4x29 Problem 26E Problem 28E Problem 29E Problem 27E: Find the domain of the function. 37. F(p)=2p Problem 30E: Find the domain and range and sketch the graph of the function h(x)=4x2. Problem 31E Problem 34E Problem 32E: Find the domain and sketch the graph of the function. F(x) = x2 2x + 1 Problem 33E Problem 35E Problem 36E Problem 37E: Find the domain and sketch the graph of the function. G(x)=3x+xx Problem 38E Problem 39E Problem 40E Problem 41E Problem 42E: Find the domain and sketch the graph of the function. f(x)={1ifx13x+2ifx172xifx1 Problem 43E: Find an expression for the function whose graph is the given curve. 51. The line segment joining the... Problem 44E Problem 45E Problem 46E Problem 47E Problem 48E: Find a formula for the described function and state its domain. 58. A rectangle has area 16 m2.... Problem 49E Problem 50E: Find a formula for the described function and state its domain. Express the surface area of a cube... Problem 51E: Find a formula for the described function and state its domain. 61. An open rectangular box with... Problem 52E: A cell phone plan has a basic charge of 35 a month. The plan includes 400 free minutes and charges... Problem 53E: In a certain country, income tax is assessed as follows. There is no tax on income up to10,000. Any... Problem 54E: The functions in Example 6 and Exercises 52 and 53(a) are called step functions because their graphs... Problem 55E: Graphs of f and g are shown. Decide whether each function is even, odd, or neither. Explain your... Problem 56E: Graphs of f and g are shown. Decide whether each function is even, odd, or neither. Explain your... Problem 57E: (a) If the point (5, 3) is on the graph of an even function, what other point must also be on the... Problem 58E: A function f has domain [5, 5] and a portion of its graph is shown. (a) Complete the graph of f if... Problem 59E: Determine whether f is even, odd, or neither. If you have a graphing calculator, use it to check... Problem 60E: Determine whether f is even, odd, or neither. If you have a graphing calculator, use it to check... Problem 61E: Determine whether f is even, odd, or neither. If you have a graphing calculator, use it to check... Problem 62E: Determine whether f is even, odd, or neither. If you have a graphing calculator, use it to check... Problem 63E: Determine whether f is even, odd, or neither. If you have a graphing calculator, use it to check... Problem 64E: Determine whether f is even, odd, or neither. If you have a graphing calculator, use it to check... Problem 65E: If f and g are both even functions, is f + g even? If f and g are both odd functions, is f + g odd?... Problem 66E: If f and g are both even functions, is the product of fg even? If f and g are both odd functions, is... format_list_bulleted