Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function
domain: {Bob, Ann, Dave}
range: {Ms. Lee, Mr. Bar}
B. function
domain: {Ms. Lee, Mr. Bar}
range: {Bob, Ann, Dave}
C. not a function
Answer: A
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Solve the system by graphing. Check the coordinates of the intersection point in both equations.
A. {(5, 2)} B. {(-5, 2)} C. {(x, y) ? 2x + y = -8} D. ?
Draw a line that has the given slope and 
m = - 
, b = 4 
A. 
B. 
C. 
D. 
If the probability an event will occur is p and the probability it will not occur is q, then each term in the expansion of (p + q)n represents a probability.The probability that a person in the general population suffers from anxiety is 0.25. If five people from the general population are randomly selected, the probability that three of them will suffer from anxiety is the third term of the binomial expansion of 
(0.25 + 0.75)5.
?
What is this probability?
Round the answer to four decimal places. A. 0.2637 B. 0.3516 C. 0.0879 D. 0.0659
Factor completely.
What will be an ideal response?