Find all values that make the expression undefined.
A. -4, -3
B. 4, 3
C. 0
D. 9, -9
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 ? B) = n(A) + n(B)
A. True B. False
Mathematics
Identify the set as finite or infinite.
A. Infinite B. Finite
Mathematics
Solve the problem.A salesperson earned $350 a week plus a bonus of $18 for each service contract sold. What is the weekly pay if 6 service contracts were sold?
A. $350 B. $558 C. $458 D. $108
Mathematics
Find the regression line for the given data. Round to two decimal places, if necessary.
A. y = 55.3 B. y = 2.5x + 50.4 C. y = 54 D. y = 3x + 50
Mathematics