Write the solution set as a compound inequality.
A. 
B. 
C. 
D. 
E. 
Answer: C
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Solve the problem.In the formula A = Iekt, A is the amount of radioactive material remaining from an initial amount I at a given time t and k is a negative constant determined by the nature of the material. A certain radioactive isotope has a half-life of approximately 1400 years. How many years would be required for a given amount of this isotope to decay to 45% of that amount?
A. 1568 years B. 1613 years C. 770 years D. 1207 years
Determine whether the activity can be used to illustrate the given property.Making a pot of coffee, brushing your teeth, and taking a shower.Does the associative property hold?
A. Yes B. No
Write interval notation.{ x ? x > -3 }
A. [-3, ?) B. (-3, ?) C. (-?, -3) D. (-?, -3]
Solve the inequality algebraically. Write the solution in interval notation.
? 6
A. (-8, 4) B. (-8, 4] C. [-8, 4] D. [-8, 4)