Determine the coordinates of the vertex by completing the square.f(x) = x2 - 6x + 9
A. (-6, 81)
B. (3, -18)
C. (-3, 36)
D. (3, 0)
Answer: D
Mathematics
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Find an equation of variation in which y varies inversely as x and the following is true.y = 0.9, when x = 0.7
A. y = 
B. y = 
C. y = 
x
D. y = 
x
Mathematics
Write the number 15.5 in Roman numerals.
A. vxss B. xiviss C. xvss D. xv
Mathematics
Solve the system of equations.
A. x = 1, y = 2, z = 4; (1, 2, 4) B. x = 1, y = 4, z = 2; (1, 4, 2) C. x = 4, y = 1, z = 2; (4, 1, 2) D. x = 4, y = 2, z = 1; (4, 2, 1)
Mathematics
For the given functions f and g, find the requested composite function.f(x) = x2 - 6, g(x) = x2 - 9;
Find (f ? g)(x).
A. x4 - 12x2 + 27 B. x4 + 75 C. x4 - 18x2 + 75 D. x4 + 27
Mathematics