Graph the parabola.x2 = -4y
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the equation 
for ?y. Round your answers to two decimal places, if necessary.
?
A. 
or 
B. 
or 
C. 
or 
D. None of the above.
Mathematics
Find the y-intercept of the polynomial function.f(x) = 2x - x3
A. 0 B. -1 C. -2 D. 2
Mathematics
Find the indicated probability.The following contingency table provides a joint frequency distribution for a group of retired people by career and age at retirement. Age at Retirement 
Suppose one of these people is selected at random. Compute the probability that the person selected was a store clerk.
A. 0.259 B. 0.316 C. 0.026 D. 0.099
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics