Determine algebraically whether the function is even, odd, or neither.f(x) = -3x4 - x2
A. even
B. odd
C. neither
Answer: A
Mathematics
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Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = 2i + 2j - k, v = -i + k
A. 9; 
i - 
j + 
k
B. 3; 
i - 
j + 
k
C. 9; 
i + 
j - 
k
D. 3; 
i + 
j - 
k
Mathematics
Find the center and radius of the circle.x2 + y2 - 4x - 18y = -36
A. (9, 2), r = 7 B. (-9, -2), r = 49 C. (2, 9), r = 7 D. (-2, -9), r = 49
Mathematics
Find the standard deviation. Round to the nearest tenth.1, 3, 27, 22, 39, 44
A. 266.2 B. 24.5 C. 16.3 D. 22.7
Mathematics
Express the function in the form f(x) = a(x - h)2 + k and indicate the vertex.f(x) = x2 + x - 9
A. f(x) = (x - 
)2 - 
vertex: 
B. f(x) = (x + 
)2 - 
vertex: 
C. f(x) = (x -1)2 - 7
vertex: (1, -7)
D. f(x) = (x + 1)2 - 9
vertex: (-1, -9)
Mathematics