Perform the indicated operation. Simplify the result.
+ 
A. - 
B. - 
C. 
D. 
Answer: B
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Find the general solution of the equation. Express the solution explicitly as a function of the independent variable.x8
= y2, x > 0
A. y = - 
B. y = - 
+ C
C. y = 
D. y = 
+ C
Factor completely.x3 - x2 - 20x
A. (x2 + 1)(x - 20) B. x(x + 4)(x - 5) C. x(x + 5)(x - 4) D. Prime
Perform the operation. Write the answer as a fraction in lowest terms.31
- 12
A. 
B. 19
C. 
D. 172
Solve the problem.The following table shows the population (in thousands) of Anytown, USA. YEAR POPULATION 1950 80 1960 95 1970 115 1980 150 1990 200 2000 265Use a graphing calculator to fit a quadratic function f(x) to the data. Use this equation to predict the population in the year 2007. Round your answer to the nearest thousand.
A. 267,000 B. 316,000 C. 16,820,000 D. 345,000