Answers FL-1200375-Algebra 1-A CR Semester 2 Unit Test — Cumulative examQuestion 24

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Unit Test — Cumulative exam

Question 24 • FL-1200375-Algebra 1-A CR Semester 2

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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