Find the quadratic function y = f(x) that has the given vertex and whose graph passes through the given point.vertex (-5, 0); passing through (-6, -5)
A. y = (x - 5)2
B. y = (x + 5)2
C. y = -5(x + 5)2
D. y = -5(x - 5)2
Answer: C
Mathematics
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Graph the function.f(t) = - cos 
A. 
B. 
C. 
D. 
Mathematics
Use the graph to estimate any solutions of the system.x2 + y2 = 4 x = y2 - 2
[-6, 6] by [-6, 6]
A. (-2, 0) and ? (1, 1.73) B. (2, 0) and ? (1, ± 1.73) C. ? (1, ± 1.73) D. (-2, 0) and ? (1, ± 1.73)
Mathematics
Find the exact function value if it exists.cos 240°
A. 
B. - 
C. - 
D. 
Mathematics
Perform the indicated conversion within metric units of length.0.87 kilometers to centimeters
A. 870 cm B. 8700 cm C. 87,000 cm D. 8.7 cm
Mathematics