Use set notation, and list all the elements of the set.The first four natural numbers.
A. {0, 1, 2, 3, 4}
B. {1, 2, 3, 4}
C. {0, 1, 2, 3}
D. {0, 2, 4, 6}
Answer: B
Mathematics
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Solve the problem.(n - 1)! =
A. 
B. n! - 1!
C. n × (n - 1)!
D. 
E. none of these
Mathematics
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. (a + 1)(a - 6)(a - 7) > 0
A. (7, ?)
B. (-1, 6) ? (7, ?)
C. (-?, -1) ? (6, 7)
D. (-?, 6)
Mathematics
Use the properties of logarithms to evaluate the expression.log 10-12
A. log -12 B. -12 C. 12 D. 12 log 10
Mathematics
Simplify the algebraic expression by collecting and combining like terms.(2x - 6y + 4) - 2(-2x + 6y - 4)
A. 6x - 18y + 12 B. -4x + 12y - 8 C. 4x - 12y + 8 D. -6x + 18y - 12
Mathematics