Solve the system by elimination.
+ 
= -2
+ 
= 0
A. 
B. {(-7, 7)}
C. 
D. 
Answer: D
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Determine whether the given relationship represents a function.
A. Not a function B. Function
Solve the problem.The table shows the population of a certain city for selected years between 1950 and 2003. 
Write a logistic differential equation in the form 
= kP(M - P) that models the growth of the population. [You will first need to use your calculator find the logistic regression equation that best fits the data.]
A. 
= (1.623 × 10-7)P(499,107.3 - P)
B. 
= (2.526 × 10-7)P(478,549.6 - P)
C. 
= (2.193 × 10-7)P(494,193.8 - P)
D. 
= (2.346 × 10-7)P(482,549.6 - P)
Simplify.(x3)4(x3)5
A. x54 B. x27 C. x180 D. 2x27