Indicate whether the function is one-to-one.{(6, -6), (12, -5), (10, -4), (8, -3)}
A. Yes
B. No
Answer: A
Mathematics
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Solve the problem.n! =
A. 
n(n - 1)
B. 1 × 2 × 3 × ... × n
C. 1 + 2 + 3 + ... + n
D. n + 1
E. none of these
Mathematics
5y(2x - 12xy) =
a. -10xy - 60x2y b. 10xy - 60xy2 c. -10xy + 60xy2 d. 10y - 60xy2 e. 10xy + 60xy2
Mathematics
Solve the problem.If (1, -4) is the endpoint of a line segment, and (3, 1) is its midpoint, find the other endpoint.
A. (5, -9) B. (-3, -14) C. (5, 6) D. (11, 0)
Mathematics
Solve the system by elimination.
A. (-2, - 3) B. (2, 3) C. (1, -3) D. (-1, 3)
Mathematics