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AP Statistics/Unit 3: Collecting Data
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Logarithmic Derivative and Scaling Factors

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A chemist analyzes the percent rate of change for a reactant’s concentration, modeled by the function C(t)=5∗t1+tC(t)=\frac{5*t}{1+t}. The percent rate of change is determined using the logarithmic derivative of $C(t)$. If a change in experimental conditions leads to a new model, Cnew(t)=10∗t1+tC_{new}(t)=\frac{10*t}{1+t}, how is the logarithmic derivative affected?

A

It doubles as the result of the increased numerator.

B

It becomes variable and less predictable with the constant factor.

C

It is halved due to the proportional increase in initial concentration.

D

It remains unchanged because the multiplicative constant cancels out in the logarithmic derivative.

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