Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (0, 18); passing through (-3, 0)
A. y = x2 + 18
B. y = -2x2 + 18
C. y = 18x2 + 18
D. y = -2x2 - 18
Answer: B
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, cos t = 
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A. 
B. 
C. 
D. 
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