Simplify the expression. Assume all variables represent positive real numbers.
- 
A. 2
- 4
B. 6
C. 2 - 4
D. 4
- 2
Answer: A
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = ln 
n
A. 0 B. 6 C. ln 6 D. Diverges
Find the center and radius of the sphere.x2 + y2 + z2 - 10x - 4y + 6z = -29
A. C(5, 2, 3), a = 3 B. C(5, 2, -3), a = 3 C. C(-5, -2, 3), a = 3 D. C(5, 2, -3), a = 9
Solve the problem.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $200,000, find each worker's salary.
A. president's salary = $150,000; department head's salary = $50,000 B. president's salary = $100,000; department head's salary = $50,000 C. president's salary = $50,000; department head's salary = $150,000 D. president's salary = $15,000; department head's salary = $5000
Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release . How many units can you expect to sell in week 29?
A. 899 units B. 10,469 units C. 19,401 units D. 9831 units