Solve.-2x + 18 ? x(x + 1)
A. x ? -3 or x ? 6
B. x ? -6 or x ? 3
C. -6 ? x ? 3
D. -3 ? x ? 6
Answer: C
Mathematics
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Decide whether the given statement is always true or not always true.A - A' = A
A. Not always true B. Always true
Mathematics
Subtract.7 - 
A. - 16
B. - 5
C. 
D. 8
Mathematics
Find the center and radius and draw the graph.(x - 4)2 + (y + 5)2 = 16
A. 
center (-4, 5); radius 4
B. 
center (-4, -5); radius 4
C. 
center (4, 5); radius 4
D. 
center (4, -5); radius 4
Mathematics
The graph of a one-to-one function is given. Draw the graph of the inverse function f-1. For convenience, the graph of 
is also give.
A. 
B. 
C. 
D. 
Mathematics