Use transformations of the graph of y = x4 or y = x5 to graph the function.f(x) = 
(x - 4)4 + 3 
A. 
B. 
C. 
D. 
Answer: D
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Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Use the discriminant to determine whether the solutions for the equation are two rational numbers, one rational number, two irrational numbers, or two nonreal complex numbers. Do not actually solve.w2 + 5w + 8 = 0
A. two nonreal complex numbers B. two irrational numbers C. one rational number D. two rational numbers
Sketch the derivative of the graph.
?
A. 
B. 
C. 
D. 
Solve the problem involving modeling with polynomial functions.A survey team measures the concentration (in parts per million) of a particular pollutant in the atmosphere. On a typical day, the concentration of the pollutant at time t (in hours) after midnight is given by g(t) = -0.008t4 + 0.12t3 - 0.18t2 + 0.04t where 0 ? t ? 24. Use a graphing calculator to graph y = g(x) the window [0, 24] by [0, 30]. A concentration greater than 20 parts per million is considered pollution. Which is the best estimate for the period during which the atmosphere is polluted?
A. 10:00 a.m. to 12:30 a.m. B. 8:30 a.m. to 11:30 a.m. C. 9:30 a.m. to 2:00 p.m. D. 11:30 a.m. to 1:30 p.m.