SOLUTION: Apple sold about 53 million iPods in 2008, but as iPhones became more popular, the sales of iPods began to decrease. The number of iPods sold in 2014 was about 11 million. Write a
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-> SOLUTION: Apple sold about 53 million iPods in 2008, but as iPhones became more popular, the sales of iPods began to decrease. The number of iPods sold in 2014 was about 11 million. Write a
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Question 1097568: Apple sold about 53 million iPods in 2008, but as iPhones became more popular, the sales of iPods began to decrease. The number of iPods sold in 2014 was about 11 million. Write a linear equation in slope-intercept form to model this decrease in sales. Let x stand for the number of years after 2008 and let y stand for the number of iPods sold, in millions.
You can put this solution on YOUR website! 2008:53
2014:11
x:y
slope is change in y/change in x, this is -42/6=-7 million/year
point slope formula y-y1=m(x-x1), m slope, (x1, y1) point. Let x be the year-2000
y-11=-7(x-14)
y-11=-7x+98
y=-7x+109
