Problema Solution
The equation y=-1777x+27,153 can be used to predict the number y of gun deaths in the United States x years after 2000, that is x=0 corresponds to 2000,x=3 corresponds to 2003 x=4 corresponds to 2004, and so on. Predict the number of gun deaths in 2004 and 2009. In what year will the number of gun deaths be 11,160?
The predicted gun deaths in 2004 will be _____.
The predicted gun deaths in 2004 will be ______.
The predicted gun deaths of 11,160 in the year _____.
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Solution:
We have:
1.
y = -1777(4) + 27153
y = 20,045
2.
y = -1777(9) + 27153
y = 11,160
3.
11160 = -1777x + 27153
x = 9
Answer: 2009