Factor.z2 - 16
A. (z + 4)2
B. z2 - 16
C. (z + 4)(z - 4)
D. (z - 4)2
Answer: C
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If a ball is thrown into the air with a velocity of , its height (in feet) after t seconds is given by
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Solve the problem.The inequality |T - 9| ? 17 describes the range of monthly average temperatures T in degrees Fahrenheit at a City X. (i) Solve the inequality. (ii) If the high and low monthly average temperatures satisfy equality, interpret the inequality.
A. 26 ? T ? 43; The monthly averages are always within 
B. -16 ? T ? 34; The monthly averages are always within 
C. -8 ? T ? 26; The monthly averages are always within 
D. 34 ? T ? 59; The monthly averages are always within 
Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in standard form.7, -11, and 2 + 8i
A. f(x) = x4 - 9x3 - 56x2 + 290x - 5236 B. f(x) = x4 - 9x3 + 56x2 - 290x + 5236 C. f(x) = x4 - 145x2 + 580x - 5236 D. f(x) = x4 - 25x2 + 580x - 5236
Solve the application problem.The graph shows the population of a small town in the United States for the years 2000 through 2005. Is this graph a function? What is the range of the graph? 
A. no; [2000, 2005] B. no; [2000, 3000] C. yes; [2000, 3000] D. yes; [2000, 2005]