Fill in the blank with one of the words or phrases listed below. 
The graph of f(x) = ax2 + bx + c where a is not 0 is a parabola whose vertex has x-value of 
.
A. ±
B. (0, k)
C. 
D. (h, 0)
Answer: C
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Decide whether events A and B are overlapping or non-overlapping.A student is selected at random. Event A is that the student speaks Spanish and event B is that the student speaks Chinese.
A. Non-overlapping B. Overlapping
Plot the given point in a rectangular coordinate system.(2, -3)
A. 
B. 
C. 
D. 
Solve the inequality.x2 + 4x ? -3
A. [-3, -1] B. (-?, -3] C. [-1, ?) D. (-?, -3] or [-1, ?)
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15