Solve the equation for y.y - 2x2 + 5 = 0
A. y = 2x2 - 5
B. y = 2x2 + 5
C. y = -2x2 + 5
D. y = -2x2 - 5
Answer: A
Mathematics
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A. A = {0, 1, 2, 3, 4, 5, 6, 7} B. A = {0, 1, 2, 3, 4, 5, 6} C. A = {1, 2, 3, 4, 5, 6, 7} D. A = {1, 2, 3, 4, 5, 6}
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Use the given information to find the exact value of the trigonometric function.sec ? = 4, ? lies in quadrant I
Find cos 
.
A. 
B. 
C. 
D. 
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Find the area of the surface S where S is the part of the sphere x² + y² + z² =25 that lies to the right of the xz-plane and inside the cylinder x² + z² = 4.
What will be an ideal response?
Mathematics