Solve the system. If there is no solution or if the system's equations are dependent, so state.
A. {(0, 0, 3)}
B. no solution or ?
C. {(0, 3, 0)}
D. infinitely many solutions; dependent equations
Answer: C
Mathematics
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Determine if the fractions can form a proportion.
and 
A. No B. Yes
Mathematics
Solve the system by the addition method.x2 - 3y2 - 1 = 04x2 + 3y2 - 19 = 0
A. {(2, 1), (2, -1), (-2, 1), (-2, -1)} B. {(-1, 2), (1, -2)} C. {(2, 1), (-2, -1)} D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Mathematics
Find the range of the quadratic function.f(x) = x2 - 2x + 9
A. (-?, 8] B. (-?, 6] C. [-1, ?) D. [8, ?)
Mathematics
For the given functions f and g, find the requested composite function.f(x) = x2 - 4, g(x) = x2 - 1;
Find (f ? g)(x).
A. x4 + 15 B. x4 - 8x2 + 15 C. x4 - 3 D. x4 - 2x2 - 3
Mathematics