Simplify.
A. 
B. 
C. 
D. - 
Answer: B
You might also like to view...
Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region.
over the tetrahedron bounded by the coordinate planes and the plane 
A. 
B. 
C. 
D. 
A solution has a hydroxyl ion concentration of 1.43 × 10-12 mol/L. Find the hydrogen ion concentration in this solution.
A. 7 × 103 mol/L [H+] B. 0.07 mol/L [H+] C. 0.7 mol/L [H+] D. 7 × 10-3 mol/L [H+]
Find the area of the triangle. If necessary, round the answer to two decimal places.a = 4, b = 5, c = 7
A. 10.01 B. 16.01 C. 9.80 D. 3.46
The manufacturer of a medicine wants to test how a new 300-milligram capsule is released into the bloodstream. After a volunteer is given a capsule, blood samples are drawn every half-hour, and the number of milligrams of the drug in the bloodstream is calculated. The results obtained are as follows.
Time t
N(t)
(hr)
(mg)
0
0
0.5
246.5
1
266
1.5
236.9
2
178.1
2.5
115.9
Use the trapezoidal rule to approximate the average number of milligrams in the bloodstream during the first 
hours and round your answer to two decimal places.
?
A. 433.60 mg
B. 197.09 mg
C. 123.18 mg
D. 256.22 mg
E. 335.05 mg