Graph the complex number.4
- 4i
A. 
B. 
C. 
D. 
Answer: D
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Find first four terms of the indicated expansion by use of the binomial series.
A. 1 + 
x - 
x2 + 
x3 - . . .
B. 1 + 
x + 
x2 + 
x3 + . . .
C. 1 + 
x - 
x2 + 
x3 - . . .
D. 1 + 
x - 
x2 + 
x3 - . . .
Express the quantified statement in an equivalent way, that is, in a way that has exactly the same meaning.No germs have made people sick.
A. Some germs have made people sick. B. All germs have made people sick. C. At least one germ has made people sick. D. All germs have not made people sick.
Graph the inequality.
+ 
? 1
A. 
B. 
C. 
D. 
Solve.In a town whose population is 3000, a disease creates an epidemic. The number N of people infected t days after the disease has begun is given by the function N(t) = 
. Find the number infected after 12 days.
A. 2968 B. 2969 C. 2966 D. 2964