Solve. Then graph the solution.
? 0
A. 
B. 
? (2, ?)
C. 
? [2, ?)
D. 
Answer: A
Mathematics
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Multiply.
A. 9 - 4z - 
z2
B. 9 - 
z2
C. 9 - 
z2
D. 9 + 4z - 
z2
Mathematics
Solve the problem.In a composition class containing there are 12 freshmen, 23 sophomores, 11 juniors, and 25 seniors. What fraction of the class is seniors?
A. 
B. 
C. 
D. 
Mathematics
Solve using Cramer's rule.
A. (-1, 10) B. (0, 10) C. (1, 9) D. No solution
Mathematics
Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.f(x) = -4x2 + 4x
A. minimum; 
B. minimum; 
C. maximum; 
D. maximum; 
Mathematics