Add or subtract.
+ 4
A. 
B. 
C. 
D. 
Answer: A
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The growth rate G, in hundreds of cases per day, in the spread of an epidemic depends on the number S, in hundreds, of currently sick individuals. The relationship is given by
?
.
A: Make a graph of G versus S. Include up to 4,000 currently sick people (corresponding to 
).B: There are two numbers of currently sick individuals that give a growth rate of 500 new cases per day (corresponding to 
). Find both of them.C: When there are no sick individuals, the growth rate is 0. There is a second level where the growth rate is 0. Find that number of currently sick people.
?
Round your answer to two decimal places if necessary.
What will be an ideal response?
Determine if the sequence is an arithmetic sequence, a geometric sequence, or neither. If it is either arithmetic or geometric, give the next term in the sequence.9, 29, 49, 69, 89, . . .
A. geometric; 109 B. arithmetic; 109 C. neither
Write the number of inches indicated by the arrow as an improper fraction.
A. 
B. 
C. 
D. 
Translate using numbers and symbols.Nine added to a number
A. 9x B. 9 - x C. x + 9 D. x × 9