Solve the problem.The table shows the population of a city over the past five years. 
We used this data to develop the quadratic function 
, which models the population of the city y in millions in the year x. Use the model to find the estimated population in year 9.
A. 66,822,000
B. 1,490,000,000,000
C. 1,490,000
D. 65,538,000
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Mathematics
Perform the requested operation on the given function.f(x) = 
, g(x) = -3x + 7Find (fg)(x).
A. -6x2 + 14
B. -3x
+ 7
C. -6x + 7
D. 
+ 21x
Mathematics
Simplify.
A. 
B. 
C. 
D. None of these
Mathematics
Factor completely. If the polynomial is prime, state so.16x2 - 49y2
A. (4x - 7y)2 B. (4x + 7y)(4x - 7y) C. prime D. (4x + 7y)2
Mathematics