Review the table of values showing the mass of a radioactive isotope over time.Time (Seconds)Mass Remaining (Milligrams)2134856.5102121.2

Answer

A

In the logarithmic regression model, the explanatory variable is time and the response variable is the remaining mass.

B

In the logarithmic regression model, the explanatory variable is time and the response variable is the remaining mass.

C

In the logarithmic regression model, the explanatory variable is the remaining mass and the response variable is time.

D

In the logarithmic regression model, the explanatory variable is the remaining mass and the response variable is time.

E

In the exponential regression model, the explanatory variable is time and the response variable is the remaining mass.

F

In the exponential regression model, the explanatory variable is time and the response variable is the remaining mass.

G

In the exponential regression model, the explanatory variable is the remaining mass and the response variable is time.

H

In the exponential regression model, the explanatory variable is the remaining mass and the response variable is time.

Explanation

Radioactive decay is modeled with an exponential relationship: the amount remaining changes as time passes. Time is the explanatory variable because it is used to predict the mass, and remaining mass is the response variable. Choice E describes an exponential regression with time as the explanatory variable and remaining mass as the response variable.

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Cumulative Exam — Cumulative exam

Review the table of values showing the mass of a radioactive isotope over time.Time (Seconds)Mass Remaining (Milligrams)2134856.5102121.2

Explanation

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