Solve.The sum of a number and its reciprocal is -2. Find the number.
A. 1 or -1
B. 1
C. -1
D. 2
Answer: C
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?cos2? = 
A. ? = 
, 
, 
, 
B. ? = 
, 
, 
, 
C. ? = 0, ?, 2?
D. ? = 
, 
, 
, 
Mathematics
Solve the problem.The population of a colony of ants, P, grows at a rate 
, where t is time in weeks. The initial population is 1000 ants. Using Euler's method with 
what is the number of ants after 8 weeks?
A. 1356 B. 1445 C. 1480 D. 1384
Mathematics
Find the reciprocal.
A. 
B. - 
C. 
D. 
Mathematics
Perform the indicated operation.u = 
5u + 0
A. 
B. 
C. 
D. 0
Mathematics