AnswersFL-1200700-Mathematics for College Algebra MISRegression ModelsQuestion 5
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Regression Models

Question 5 • FL-1200700-Mathematics for College Algebra MIS

Juan analyzes the amount of radioactive material remaining in a medical waste container over time. He writes the function f(x)=10(0.98)x to represent the amount of radioactive material that will remain after x hours in the container.Rounded to the nearest tenth, how much radioactive material will remain after 10 hours?

Answer
A
0.8 units
B
1.3 units
C
8.2 units
D
9.8 units

Explanation

Substitute x = 10 into the function: f(10) = 10(0.98)^10 ≈ 10(0.8171) = 8.171. Rounded to the nearest tenth, about 8.2 units will remain, so the correct choice is 8.2 units.

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