Find the inverse of the relation.{(9, 15), (-6, 15), (3, -3)}
A. {(9, 17), (9, -6), (-3, 3)}
B. {(15, 9), (15, -6), (-3, 3)}
C. {(15, 9), (17, -6), (-3, 3)}
D. {(15, 9), (3, -6), (-3, 17)}
Answer: B
Mathematics
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Let A and B be sets with cardinal numbers, n(A) = a and n(B) = b, respectively. Decide whether the statement is true or false.n(A ? B) = n(A) - n(B)
A. True B. False
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Convert the degree measure to radians, correct to four decimal places. Use 3.1416 for ?.39.3222°
A. 0.5863 B. 0.7863 C. 0.6863 D. 0.8863
Mathematics
Evaluate the expression x - y for the given values of the variables.x = 9, y = 13
A. -22 B. 22 C. 4 D. -4
Mathematics
Find the nth term of the geometric sequence.a = -2; r = -4
A. an = -2 ? -4n B. an = -2 ? 4n-1 C. an = -4 ? -2n-1 D. an = -2 ? -4n-1
Mathematics