Indicate whether the statement is true always, sometimes, or never.The sum of two imaginary numbers is an imaginary number.
A. Always
B. Sometimes
C. Never
Answer: B
Mathematics
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Given functions f and g, perform the indicated operations.f(x) = 4x - 3,g(x) = 3x - 7Find fg.
A. 12x2 + 21 B. 7x2 - 37x - 10 C. 12x2 - 16x + 21 D. 12x2 - 37x + 21
Mathematics
Find the probability of the given event.A card drawn from a well-shuffled deck of 52 cards is a red ace.
A. 
B. 
C. 
D. 
Mathematics
Find the exact value. sin(? / 12)
What will be an ideal response?
Mathematics
In the exercise below, the initial substitution of x = a yields the form 0/0. Look for ways to simplify the function algebraically, or use a table and/or graph to determine the limit. When necessary, state that the limit does not exist.
A. Does not exist B. 1 C. -6 D. -3
Mathematics