Determine whether the given function is concave up or concave down at the indicated point.
at 
A. concave down
B. concave up
Answer: A
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The table below shows the initial population and growth rate for several villages. Village Village A Village B Village C Village D Initial population 514 647 389 916 Growth rate 27 people per year 14 people per year -22 people per year 29 people per yearUse a formula to express the expected combined population N of the four villages after t years. ?
A. 
B. 
C. 
D. None of the above
Find the indicated vector.Let u = 
, v = 
. Find u + v.
A. 
B. 
C. 
D. 
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.sin 2x = csc 2x
A. {45°, 135°} B. {45°, 225°} C. {45°, 135°, 225°, 315°} D. {0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°}
Solve the problem.Given that the following statement is true, explain how you would use this fact to find two distinct factors of the Mersenne number M14. Then calculate those two factors."If p is a prime factor of n, then 2p - 1 is a factor of the Mersenne number 2n - 1."
What will be an ideal response?