Determine whether the function's vertex is a maximum point or a minimum point and find the coordinates of this point.
?
?
A. vertex: 
, a minimum point
B. vertex: 
, a maximum point
C. vertex: 
, a minimum point
D. vertex: 
, a maximum point
E. vertex: 
, a maximum point
Answer: A
Mathematics
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Perform the matrix multiplication.
A. Not defined
B. 
C. 
D. 
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Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. x = -4, m: undefined B. y = x - 4, m = 0 C. y = -4, m: undefined D. y = x - 8, m = 1
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Find all solutions of the equation.2 cos x - 1 = 0
A. x = 
+ n? or x = 
+ n?
B. x = 
+ n? or x = 
+ n?
C. x = 
+ 2n? or x = 
+ 2n?
D. x = 
+ 2n? or x = 
+ 2n?
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Add the numbers using the number line.1 + (-6) 
A. 5 B. -5 C. -7 D. 7
Mathematics