Chapter 4
College Algebra and Calculus: An Applied Approach · 373 exercises
Problem 1
Solve for \(x\).\(5^{x}=125\)
3 step solution
Problem 1
Write the logarithm in terms of common logarithms.\(\log _{5} 8\)
3 step solution
Problem 1
Use a calculator to evaluate the expression. Round your result to three decimal places.\((2.6)^{1.3}\)
3 step solution
Problem 2
Solve for \(x\).\(2^{x}=64\)
3 step solution
Problem 2
Write the logarithm in terms of common logarithms.\(\log _{7} 12\)
3 step solution
Problem 2
Use a calculator to evaluate the expression. Round your result to three decimal places.\((1.07)^{50}\)
3 step solution
Problem 3
Solve for \(x\).\(7^{x}=\frac{1}{49}\)
3 step solution
Problem 3
Write the logarithm in terms of common logarithms.\(\ln 30\)
5 step solution
Problem 3
Use a calculator to evaluate the expression. Round your result to three decimal places.\(100(1.03)^{-1.4}\)
3 step solution
Problem 4
Solve for \(x\).\(4^{x}=\frac{1}{256}\)
3 step solution
Problem 4
Write the logarithm in terms of common logarithms.\(\ln 20\)
4 step solution
Problem 4
Match the logarithmic equation with its exponential form. [The exponential forms are labeled (a), (b), (c), (d), (e), and (f).]\(\log _{4} \frac{1}{16}=-2 \quad\) (d) \(4^{-2}=\frac{1}{16}\)
3 step solution
Problem 4
Use a calculator to evaluate the expression. Round your result to three decimal places.\(1500\left(2^{-5 / 2}\right)\)
3 step solution
Problem 5
Solve for \(x\).\(4^{2 x-1}=64\)
4 step solution
Problem 5
Write the logarithm in terms of common logarithms.\(\log _{3} n\)
2 step solution
Problem 5
Use a calculator to evaluate the expression. Round your result to three decimal places.\(6^{-\sqrt{2}}\)
3 step solution
Problem 6
Solve for \(x\).\(3^{x-1}=27\)
3 step solution
Problem 6
Write the logarithm in terms of common logarithms.\(\log _{4} m\)
3 step solution
Problem 6
Use a calculator to evaluate the expression. Round your result to three decimal places.\(1.3^{\sqrt{5}}\)
3 step solution
Problem 7
Solve for \(x\).\(\log _{4} x=3\)
2 step solution
Problem 7
Write the logarithm in terms of common logarithms.\(\log _{1 / 5} x\)
3 step solution
Problem 7
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$4^{4}=256\)
2 step solution
Problem 7
Use a calculator to evaluate the expression. Round your result to three decimal places.\(e^{4}\)
3 step solution
Problem 8
Solve for \(x\).\(\log _{5} 5 x=2\)
3 step solution
Problem 8
Write the logarithm in terms of common logarithms.\(\log _{1 / 3} x\)
3 step solution
Problem 8
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$7^{3}=343\)
3 step solution
Problem 8
Use a calculator to evaluate the expression. Round your result to three decimal places.\(e^{-5}\)
3 step solution
Problem 9
Solve for \(x\).\(\log _{10} x=-1\)
3 step solution
Problem 9
Write the logarithm in terms of common logarithms.\(\log _{x} \frac{3}{10}\)
3 step solution
Problem 9
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$81^{1 / 4}=3\)
2 step solution
Problem 9
Use a calculator to evaluate the expression. Round your result to three decimal places.\(e^{2 / 3}\)
3 step solution
Problem 10
Solve for \(x\).\(\ln (2 x-1)=0\)
3 step solution
Problem 10
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$9^{3 / 2}=27\)
2 step solution
Problem 10
Use a calculator to evaluate the expression. Round your result to three decimal places.\(e^{-2.7}\)
3 step solution
Problem 11
Apply the Inverse Property of logarithmic or exponential functions to simplify the expression.\(\ln e^{x^{2}}\)
3 step solution
Problem 11
Write the logarithm in terms of common logarithms.\(\log _{2.6} x\)
3 step solution
Problem 11
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$6^{-2}=\frac{1}{36}\)
2 step solution
Problem 12
Apply the Inverse Property of logarithmic or exponential functions to simplify the expression.\(\ln e^{2 x-1}\)
3 step solution
Problem 12
Write the logarithm in terms of common logarithms.\(\log _{7.1} x\)
3 step solution
Problem 12
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$10^{-3}=0.001\)
2 step solution
Problem 13
Apply the Inverse Property of logarithmic or exponential functions to simplify the expression.\(\log _{10} 10^{x^{2}}+1\)
3 step solution
Problem 13
Write the logarithm in terms of natural logarithms. \(\log _{5} 8\)
3 step solution
Problem 13
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$e^{1}=e\)
3 step solution
Problem 14
Apply the Inverse Property of logarithmic or exponential functions to simplify the expression.\(\log _{10} 10^{2 x+3}\)
2 step solution
Problem 14
Write the logarithm in terms of natural logarithms.\(\log _{7} 12\)
3 step solution
Problem 14
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$e^{4}=54.5981 \ldots\)
3 step solution
Problem 15
Apply the Inverse Property of logarithmic or exponential functions to simplify the expression.\(\log _{5} 5^{x^{3}}-7\)
2 step solution
Problem 15
Write the logarithm in terms of natural logarithms.\(\log _{10} 5\)
2 step solution
Problem 15
Use the definition of a logarithm to write the equation in logarithmic form. For example, the logarithmic form of \(2^{3}=8\) is \(\log _{2} 8=3$$e^{x}=4\)
4 step solution
Problem 16
Apply the Inverse Property of logarithmic or exponential functions to simplify the expression.\(\log _{8} 8^{x^{5}}+1\)
3 step solution