Find the local extrema of the function, if they exist.s(x) = -x2 - 18x + 63
A. Local maximum at (-18, 63)
B. Local minimum at (18, 63)
C. Local maximum at (-9, 144)
D. Local maximum at (9, 144)
Answer: C
Mathematics
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Evaluate the expression.
A. 
B. 0
C. 1
D. 5
Mathematics
Graph the parabola.y = 5x2 + 10x + 1
A. 
B. 
C. 
D. 
Mathematics
Solve the system using elimination. 6x - 6y = 6-12x + 12y = -18
A. (
, - 
)
B. (2, 3)
C. all points on the line 6x - 6y = 6; dependent system
D. empty set; inconsistent system
Mathematics
Perform the indicated operations. Express your answer in standard form.Square 7y - 3.
A. 49y2 + 42y + 9 B. 49y2 + 9 C. 49y2 - 42y + 9 D. 14y2 + 6
Mathematics