Solve the problem.A certain radioactive isotope has a half-life of 231 years. Determine the annual decay rate, k.
A. 0.135%
B. 0.265%
C. 0.195%
D. 0.3%
Answer: D
Mathematics
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Find the limit, if it exists.
A. -1 B. Does not exist C. 0 D. 5
Mathematics
Solve.The sum of a student's three scores is 228. The first is 16 more than the second, and the sum of the first two is 36 more than twice the third. Find the student's first score.
A. 74 B. 48 C. 64 D. 90
Mathematics
Graph the function.f(x) = x(x + 1)(x - 2)(x + 3)
A. 
B. 
C. 
D. 
Mathematics
State the domain of the given function.y = 
A. (-?, 18) B. [18, ?) C. (-?, ?) D. (-?, 18]
Mathematics