Find the vertex.f(x) = -(x + 1)2 - 3
A. (-1, 3)
B. (1, -3)
C. (1, 3)
D. (-1, -3)
Answer: D
Mathematics
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Solve the problem.Explain what is meant by "bivariate data".
What will be an ideal response?
Mathematics
Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green, and 2 red marbles. Find the probability of the indicated result.One marble is white, and one marble is blue.
A. 
B. 
C. 
D. 
Mathematics
Find the root.
A. 27 B. Not a real number C. 9 D. 3
Mathematics
Solve the system by the method of substitution.
?
?
A. (-20, -40)
B. No solution
C. (20, 40)
D. 
E. 
Mathematics