Simplify the expression. Assume all variables represent positive real numbers.-
A. - 
B. - 
C. - 
D. - 
Answer: C
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Decide whether 
is positive, negative, or zero.
State whether the function is a polynomial function or not. If it is, give its degree.f(x) = x4/3 - x5 + 5
A. Yes; degree 4/3 B. Yes; degree 4 C. Not a polynomial D. Yes; degree 5
Evaluate the function as indicated.Find g(b) when g(x) = 
.
A. 
B. (b - 3)(b - 4)
C. 
D. 
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