Tell whether the graph of the function opens up or down.P(x) = -(x + 2)2
A. up
B. down
Answer: B
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Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. not a function B. function
Solve the equation graphically. Round to the nearest thousandth.ln
= 4
A. 2.661 B. 3.493 C. 2.474 D. 3.745
Solve the problem.Janet drove 304 kilometers and the trip took 4 hours. How fast was Janet traveling?
A. 76 kilometers per hour B. 96 kilometers per hour C. 86 kilometers per hour D. 66 kilometers per hour
Provide a short answer.Suppose you have to develop a model to predict snowfall for the upcoming winter based on data from previous winters. Consider the table of annual snowfall over the last five years:
Would it be possible to come up with one model that predicted very low amounts of snowfall and another that predicted very high amounts of snowfall? How so? If you were employed by a ski resort to come up with a model, what type of model would you use? What could be done to try to reduce the chance of coming up with such different models?
What will be an ideal response?