Plot the complex number in the complex plane.5 + 4i 
A. 
B. 
C. 
D. 
Answer: A
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.If B ? A, n(B) = n(A) - n(A - B).
A. True B. False
Mathematics
Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.During a science experiment you find that the correct answer is 5.68 × 106. If you mistakenly write the answer as 4.68 × 106, by how much is your answer off?
A. 100,000,000 B. 5,680,000 C. 1,000,000 D. 100,000
Mathematics
Use the fundamental identities to simplify the expression.
A. sin ? B. sec2? C. cos3? D. tan2?
Mathematics
Decide whether the given sequence is finite or infinite.a1= 6; for 2 ? n ? 50, an= 7?an-1
A. Finite B. Infinite
Mathematics