Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.|x + 4| ? 0
A. (-?, ?)
B. (-4, ?)
C. {-4}
D. (-4, 4)
Answer: A
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 3 at 
minimum: -3 at 
B. Maximum: 3 at 
minimum: -3 at 
C. Maximum: 3 at 
minimum: -3 at 
D. Maximum: 3 at 
and 
minimum: -3 at 
and 
Mathematics
Sketch D and g(D) from the description of D and change of variables 
x = u cos v, y = u sin v where D is the rectangle 1 ? u ? 2, 0 ? v ? 
?
A.
 ? |  |
B.
 ? |  |
C.
 ? |  |
D.
 ? |  |
Mathematics
Subtract.Subtract 8.563 from 15.410
A. 23.973 B. 6.847 C. 7.047 D. 6.947
Mathematics
Solve the equation.Let f(x) = 
- 7. Find all x for which f(x) = 9.3.
A. ? B. {-16.3, 16.3} C. {-16.3, 2.3} D. {-2.3, 2.3}
Mathematics