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Ch. 4 - Exponential and Logarithmic Functions
Blitzer - College Algebra 8th Edition
Blitzer8th EditionCollege AlgebraISBN: 9780136970514당신이 사용하는 게 아니라요?교과서 변경
5장, 문제 15

Solve each exponential equation in Exercises 1–22 by expressing each side as a power of the same base and then equating exponents. 6(x−3)/4=√6

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Recognize that the equation is \(6^{\frac{x-3}{4}} = \sqrt{6}\). The goal is to express both sides as powers of the same base.
Rewrite the right side, \(\sqrt{6}\), as a power of 6. Recall that \(\sqrt{6} = 6^{\frac{1}{2}}\).
Now the equation becomes \(6^{\frac{x-3}{4}} = 6^{\frac{1}{2}}\).
Since the bases are the same and the equation is an equality, set the exponents equal to each other: \(\frac{x-3}{4} = \frac{1}{2}\).
Solve the resulting linear equation for \(x\) by multiplying both sides by 4 and then isolating \(x\).

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주요 개념

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Exponential equations involve variables in the exponent position. Solving these requires understanding how to manipulate and isolate the variable in the exponent to find its value.
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To solve exponential equations, rewrite both sides with the same base if possible. This allows you to set the exponents equal to each other, simplifying the equation to a solvable form.
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Properties such as the power of a power and the product of powers help simplify expressions. For example, the square root of a number can be written as that number raised to the 1/2 power, aiding in rewriting terms with common bases.
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