10/2/2015
CPM eBooks ­ CC Integrated I
2­47. A very strong positive nonlinear association with no apparent outliers.
2­48. The number of people must be whole numbers, and Mikko probably did not keep track of parts of
burgers, so the points should not be connected; that is, there is no possible data between the points. If a
line is drawn to model the trend, it should be straight rather than go through all the points.
2­49. See below.
a. m = b. (0, −4)
c. See graph at right.
2­50. See below. a. −15
b. −4
c. 3
d. −m2
2­51. x ≠ 5 because the denominator cannot be 0.
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