Base e

Question 1

A town predicts that its population will double in years.Simplify the expression. In how many years will the population of the town double?

Revolt · Accepted Answer

5

Question 2

Identify the error in the student solution shown below. Find the correct answer.

Revolt · Accepted Answer

The student incorrectly rewrote ln(3x) - 0 as ln(3x/0), which is undefined. The correct solution is x = 3; x = 0 is extraneous.

Question 3

Which did you include in your solution?

Revolt · Accepted Answer

Since 0 in ln(3x) - 0 is not a logarithm, the property of logarithms cannot be used here.; The difference shown cannot be written as a quotient of logarithms.; The step ln(x2) = ln(3x) - (0) reduces to ln(x2) = ln(3x).; The possible solutions are 0 and 3, with 0 being extraneous.

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