Chapter 4: Problem 3
In Exercises 1–8, write each equation in its equivalent exponential form. $$ 2=\log _{3} x $$
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
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Chapter 4: Problem 3
In Exercises 1–8, write each equation in its equivalent exponential form. $$ 2=\log _{3} x $$
These are the key concepts you need to understand to accurately answer the question.
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Will help you prepare for the material covered in the next section. $$ \text { Solve: } \frac{x+2}{4 x+3}=\frac{1}{x} $$
Exercises 150–152 will help you prepare for the material covered in the next section. In each exercise, evaluate the indicated logarithmic expressions without using a calculator. a. Evaluate: \(\log _{2} 32\) b. Evaluate: \(\log _{2} 8+\log _{2} 4\) c. What can you conclude about \(\log _{2} 32,\) or \(\log _{2}(8 \cdot 4) ?\)
Explaining the Concepts How can you tell whether an exponential model describes exponential growth or exponential decay?
Use your graphing utility to graph each side of the equation in the same viewing rectangle. Then use the \(x\) -coordinate of the intersection point to find the equation's solution set. Verify this value by direct substitution into the equation. $$ 3^{x}=2 x+3 $$
Exercises \(86-88\) will help you prepare for the material covered in the first section of the next chapter. $$ \text { Solve: } \quad \frac{5 \pi}{4}=2 \pi x $$
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