`4e^x = 91` Solve the exponential equation algebraically. Approximate the result to three decimal places.

Textbook Question

Chapter 3, 3.4 - Problem 20 - Precalculus (3rd Edition, Ron Larson).
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loves2learn | (Level 3) Salutatorian

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Divide both sides by 4

`e^x=91/4 `

Take the ln of both sides and bring down the exponent

`xlne=ln(91/4) `

`x=ln(91/4)/lne `

`x=3.125 `

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