Solve the problem.In September 1998 the population of the country of West Goma in millions was modeled by 
At the same time the population of East Goma in millions was modeled by 
In both formulas x is the year, where 
corresponds to September 1998. Assuming these trends continue, estimate what the population will be when the populations are equal. Round to the nearest million.
A. 18 million
B. 17 million
C. 1 million
D. 19 million
Answer: D
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For the following equation, graph y = f1(x) and y = f2(x) on the same screen on your calculator. From the graphs, make a conjecture as to whether the equation is an identity. If so, prove your conjecture.sec4x - tan4x - 2 tan2x = 1
What will be an ideal response?
Find the indicated term for the sequence.Find the 13th term of the sequence whose general term is an = n2 - n.
A. -156 B. 13 C. 182 D. 156
Solve the problem.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of wire ?
A. 612 ohms B. 597.5 ohms C. 600 ohms D. 593 ohms
Find the exact value of the logarithmic expression.log7 
A. -2 B. 7 C. 2 D. -7