Find the coordinates of the vertex of the parabola.y = 2x2 + 12x + 19
A. (-3, 1)
B. (1, -3)
C. (-1, 3)
D. (3, -1)
Answer: A
Mathematics
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Tell whether or not the rational expressions are equivalent.
, 
A. Yes B. No
Mathematics
Graph the hyperbola.25y2 - 36x2 = 900
A. 
B. 
C. 
D. 
Mathematics
Solve the differential equation.
= 6x
A. y = sin (3x2 + C) B. y = 3 sin (3x2 + C) C. y = 3 sin-1 (3x2 + C) D. y = sin-1 (3x2 + C)
Mathematics
Solve the problem.The output voltage of a generator is given by 
Express the voltage as the sum of a sine and a cosine function.
A. V = 82
cos 2?ft + 82 sin 2?ft
B. V = 82 cos 2?ft + 82 sin 2?ft
C. V = 82
sin 2?ft + 82 cos 2?ft
D. V = 82
cos 2?ft - 82 sin 2?ft
Mathematics