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Solving Exponential Equations with Base
When solving an exponential equation where the exponential term has the natural base , the most efficient strategy is to take the natural logarithm of both sides once the exponential expression is isolated. Although taking the common logarithm would mathematically yield the correct result, using the natural logarithm is preferred because it takes advantage of the inverse relationship between the natural logarithm and the natural exponential function. Specifically, applying the property greatly simplifies the resulting algebraic equation.
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Ch.10 Exponential and Logarithmic Functions - Intermediate Algebra @ OpenStax
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Solving Exponential Equations with Base
In professional fields such as financial planning, you may need to solve for time () in an exponential growth equation like . After taking the common logarithm of both sides to get , which property of logarithms is specifically used to move the variable from the exponent to the coefficient position?
In professional fields like finance and demographic research, solving growth models often requires choosing the correct algebraic strategy. Match each exponential equation below with the most efficient first step required to solve for the variable .
A financial analyst is calculating the time, , required for a business investment to triple in value using the equation . To find the value of , the analyst must follow a standard sequence of algebraic steps. Arrange the following steps in the correct order to solve this exponential equation.
In professional fields like biology and finance, when solving an exponential equation where the mathematical constant is the base, a researcher will typically apply the ____ logarithm to both sides because its base matches and simplifies the calculation.
A financial planner is using a continuous compounding formula to determine how many years () it will take for a corporate client's investment to reach a specific goal. True or False: Once the exponential expression with base is isolated, the standard procedure is to apply the common logarithm () to both sides to most efficiently solve the equation.
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A logistics analyst is using the growth model to predict the shipping cost as a function of the distance . To find the distance for a specific budget, the analyst isolates the exponential term to the form and then takes the natural logarithm of both sides. Which property of logarithms is most directly responsible for simplifying the left side of the equation to in the next step?
A maintenance technician is solving an exponential equation involving the natural base to predict the failure rate of a cooling system. Match each mathematical tool or property with its correct role or value in the most efficient solution strategy.
A financial planner is calculating the growth of a retirement account using a mathematical model that features the natural base . True or False: When solving this model for a variable in the exponent, the most efficient strategy is to take the natural logarithm () of both sides because it utilizes the property .
A logistics analyst is using the equation to determine how many hours it will take for a warehouse to reach its storage limit. After dividing both sides by 50 to isolate the exponential expression, the analyst should apply the ____ logarithm to both sides to solve for most efficiently.
A systems analyst is using an exponential growth model to predict server load increases over time. To determine when the load will reach a specific threshold, the analyst must solve an equation of the form for the variable . Arrange the following steps in the correct order to solve this equation using the most efficient mathematical strategy.