Problem 1E: If y=4x, then x=. Problem 2E: If y=log6x, then x=. Problem 3E: Simplify: 2log28. Problem 4E: Simplify: elnx. Problem 5E: Simplify: ln(ex). Problem 6E: Simplify: lna. Problem 7E: In Exercises 7-14, graph the given function. [HINT: See Example 1.] f(x)=log4x Problem 8E: In Exercises 7-14, graph the given function. [HINT: See Example 1.] f(x)=log5x Problem 9E: In Exercises 7-14, graph the given function. [HINT: See Example 1.] f(x)=log1/4x Problem 10E Problem 11E Problem 12E Problem 13E Problem 14E Problem 15E: In Exercises 15-20, find the associated exponential decay or growth model. [HINT: See Quick Examples... Problem 16E: In Exercises 15-20, find the associated exponential decay or growth model. [HINT: See Quick Examples... Problem 17E Problem 18E Problem 19E: In Exercises 15-20, find the associated exponential decay or growth model. [HINT: See Quick Examples... Problem 20E: In Exercises 15-20, find the associated exponential decay or growth model. [HINT: See Quick Examples... Problem 21E: In Exercises 21-26, find the associated half-life or doubling time. [HINT: See Quick Examples... Problem 22E Problem 23E Problem 24E Problem 25E: In Exercises 21-26, find the associated half-life or doubling time. [HINT: See Quick Examples... Problem 26E: In Exercises 21-26, find the associated half-life or doubling time. [HINT: See Quick Examples... Problem 27E: In Exercises 27-32, convert the given exponential function to the form indicated. Round all... Problem 28E: In Exercises 27-32, convert the given exponential function to the form indicated. Round all... Problem 29E: In Exercises 27-32, convert the given exponential function to the form indicated. Round all... Problem 30E: In Exercises 27-32, convert the given exponential function to the form indicated. Round all... Problem 31E: In Exercises 27-32, convert the given exponential function to the form indicated. Round all... Problem 32E: In Exercises 27-32, convert the given exponential function to the form indicated. Round all... Problem 33E: Investments How long will it take a $500 investment to be worth $700 if it is continuously computed... Problem 34E: Investments How long will it take a $500 investment to be worth $700 if it is continuously... Problem 35E: Investments How long, to the nearest year, will it take an investment to triple if it is... Problem 36E: Investments How long, to the nearest year, will it take me to become a millionaire if I invest... Problem 37E Problem 38E: Depreciation My investment in OHaganBooks.com stocks is losing half its value every 2 years. Find... Problem 39E: Carbon Dating The amount of carbon 14 remaining in a sample that originally contained A grams is... Problem 40E: Carbon Dating Refer to Exercise 39. How old, to the nearest 1,000 years, is a fossil in which only... Problem 41E: Long-Term Investments Exercises 41-48 are based on the following table, which lists interest rates... Problem 42E: Long-Term Investments Exercises 41-48 are based on the following table, which lists interest rates... Problem 43E: Long-Term Investments Exercises 41-48 are based on the following table, which lists interest rates... Problem 44E: Long-Term Investments Exercises 41-48 are based on the following table, which lists interest rates... Problem 45E: Long-Term Investments Exercises 41-48 are based on the following table, which lists interest rates... Problem 46E Problem 47E: Long-Term Investments Exercises 41-48 are based on the following table, which lists interest rates... Problem 48E Problem 49E: Half-Life The amount of radium 226 remaining in a sample that originally contained A grams is... Problem 50E: Half-Life The amount of iodine 131 remaining in a sample that originally contained A grams is... Problem 51E: Automobiles The rate of auto thefts triples every 6 months. a. Determine, to two decimal places, the... Problem 52E Problem 53E: Half-Life The half-life of cobalt 60 is 5 years. a. Obtain an exponential decay model for cobalt 60... Problem 54E: Half-Life The half-life of strontium 90 is 28 years. a. Obtain an exponential decay model for... Problem 55E: Radioactive Decay Uranium 235 is used as fuel for some nuclear reactors. It has a half-life of 710... Problem 56E: Radioactive Decay Plutonium 239 is used as fuel for some nuclear reactors, and also as the... Problem 57E Problem 58E: Alcohol After a large number of drinks, a person has a blood alcohol level of 200 mg/dL (milligrams... Problem 59E: Radioactive Decay You are trying to determine the half-life of a new radioactive element you have... Problem 60E Problem 61E: Population Aging The following table shows the percentage of U.S. residents over the age of 65 in... Problem 62E Problem 63E Problem 64E Problem 65E: Richter Scale The Richter scale is used to measure the intensity of earthquakes. The Richter scale... Problem 66E: Sound Intensity The loudness of a sound is measured in decibels. The decibel level of a sound is... Problem 67E Problem 68E Problem 69E Problem 70E Problem 71E Problem 72E Problem 73E Problem 74E Problem 75E Problem 76E Problem 77E format_list_bulleted