Factor out the greatest common factor.21x4 - 9x3 + 15x2
A. x2(21x2 - 9x + 15)
B. 3x(7x3 - 3x2 + 5x)
C. 3x2(7x2 - 3x + 5)
D. 3(7x4 - 3x3 + 5x2)
Answer: C
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Solve the problem.In a certain apportionment problem, State X has a standard quota of 73.9. The final apportionment to State X is 75 seats. This is called
A. the population paradox. B. a lower-quota violation. C. the Alabama paradox. D. an upper-quota violation. E. none of these
Provide an appropriate response.Solve the following quadratic equation: 2x2 - x - 15 = 0
Fill in the blank(s) with the appropriate word(s).
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D is all real numbers, R = 
;
f-1(x): D = 
, R is all real numbers
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
Solve the equation by the Square Root Method.(2x - 5)2 = 25
A. {0, -10} B. {0, -5} C. {10, 0} D. {5, 0}