Determine the domain of the function.f(x) = 
A. [3, ?)
B. (-?, -3)
C. (-?, 3)
D. [-3, ?)
Answer: D
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Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. Determine the following.A' ? B
A. {q, r, s, t, v, x, y, z} B. {s, u, w} C. {r, s, t, u, v, w, x, z} D. {q, s, t, u, v, w, x, y}
Solve for the unknown variable.C = 2?r; C = 25.12, ? = 3.14
A. r = 4 B. r = 28.26 C. r = 157.75 D. r = 8
?You accept a job that pays a salary of $60,000 the first year. During the next 49 years, you will receive a 6% raise each year. What would be your total compensation over the 50-year period? Round your answer to the nearest integer. ?
A. ?$17,420,154 B. ?$1,000,000 C. ?$56,400 D. ?$360,000 E. ?$3,600
Solve.The population of a city has varied considerably in recent years. The data in the table relates the population P to time t, in years. Use a quadratic function fitted to the data to predict the population in year 10. 
A. 58,964 B. 81,020 C. 48,431 D. 119,000