Find the local extrema of the function, if they exist.f(x) = -7x2 - 2x - 9
A. Local maximum at 
B. Local minimum at 
C. Local maximum at 
D. Local maximum at 
Answer: C
Mathematics
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Find the limit.
A. 4 B. 0 C. Does not exist D. -4
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Divide and simplify. 
A. 4x2y
B. 2x2y
C. 28xy
D. 2x4y2
Mathematics
Solve the equation.y3 + 6y2 + 9y = 0
A. 3, -3 B. 0, -3 C. 0, 3 D. 0, -3, 3
Mathematics
Write the number as a product of a real number and i. Simplify the radical expression.- 
A. 3i
B. -3i
C. 3
D. -3
Mathematics