Solve the problem.The charcoal from a tree killed in a volcanic eruption contained 64.4% of the 
found in living matter. How old is the tree, to the nearest year? Use 
for the half-life of 
A. 2508 years
B. 5700 years
C. 3619 years
D. 1739 years
Answer: C
Mathematics
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Find the average value of the function over the given interval.f(x) = 2x + 6 on [-3, 3]
A. 12 B. 6 C. 3 D. 36
Mathematics
Solve the equation by the quadratic formula.x2 + 9 = 0
A. ±3 B. 3 C. 3i D. ±3i
Mathematics
Find the maximum or minimum point of the function and state whether it is a maximum or minimum.f(x) = 4x2 - 40x + 101
A. (1, 5); maximum B. (1, 0); maximum C. (5, 0); minimum D. (5, 1); minimum
Mathematics
Factor out the greatest common factor.5x2 + 30x
A. 5x(x + 6x) B. 5x(x + 6) C. 5(x2 + 6x) D. x(5x + 30)
Mathematics