Determine whether the relation represents a function. If it is a function, state the domain and range.{(-1, -4), (-2, -3), (-2, 0), (7, 3), (23, 5)}
A. function
domain: {-1, 7, -2, 23}
range: {-4, -3, 0, 3, 5}
B. function
domain: {-4, -3, 0, 3, 5}
range: {-1, 7, -2, 23}
C. not a function
Answer: C
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A. 10,161 B. 10,881 C. 1181 D. 1161 E. none of the above
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Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = -3, y = 0, z = -5; (-3, 0, -5) B. x = 0, y = -5, z = -3; (0, -5, -3) C. x = -3, y = -5, z = 0; (-3, -5, 0) D. x = 0, y = -3, z = -5; (0, -3, -5)
Convert the angle from degrees to radians. Express the answer as a multiple of ?.30°
A. 
B. 
C. 
D. 