Find the domain of the rational function. Write your answer in set-builder notation.f(z) = 
A. 
B. {z|z ? 3}
C. {z|z ? 0}
D. {z|z ? 0, -18}
Answer: C
Mathematics
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Solve the problem.In a certain company, 77 employees were hired in the last 4 years. If this represents 47% of the company's current employees, then how many current employees does the company have?
A. 164 B. 197 C. 131 D. 16
Mathematics
Find the domain of the function.f(x) = ln((x + 2)2)
A. (-2, ?) B. (-?, ?) C. (-?, -2) ? (-2, ?) D. (-?, 2) ? (2, ?)
Mathematics
Solve the system.3w - 5y + z = 19-w + x + 2y - z = -42w - x + 2z = -8 x + 3y - z = -11
A. ( 0, -2 , 4, 5) B. (-2, 4, -5, 0) C. (2, 6, -5, -1) D. (-4, 0, -6 , 1)
Mathematics
Graph the hyperbola.9y2 - 4x2 = 36
A. 
B. 
C. 
D. 
Mathematics