Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find A + B.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Power regression does not apply to data that should be fit by a decreasing function.
Answer the following statement true (T) or false (F)
Mathematics
Solve the problem.What is the domain of the sine function?
A. all real numbers, except odd multiples of 
(90°)
B. all real numbers from -1 to 1, inclusive
C. all real numbers
D. all real numbers, except integral multiples of ? (180°)
Mathematics
Graph.f(x) = 
(x - 2)2 - 1
A. 
B. 
C. 
D. 
Mathematics
Solve the quadratic inequality. Express your solution on a number line using interval notation.x2 + 5x + 4 > 0
A. (-?, -4)
B. (-1, ?)
C. (-4, -1)
D. (-?, -4) ? (-1, ?)
Mathematics