Find the vertex of the parabola.x2 + 6x - 8y + 41 = 0
A. (-3, 4)
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the inequality and graph the solution.
< 7
A. n < -42
B. n > -42
C. n ? -42
D. n ? -42
Mathematics
Solve the problem.The force F (in N) acting on an object is given by F = 12 dv/dt + 2v + 4, where v is the velocity (in m/s) and t is the time 
If the displacement is given by s = 20t0.4, find F for t = 4.3 s.
A. 20.0 N B. 5.09 N C. 33.9 N D. 15.1 N
Mathematics
Find an equation for the ellipse described.Focus at (-4, 0); vertices at (±8, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Perform the indicated operations. Give the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics