At the beginning of 2014 a startup tech company had already

At the beginning of 2014 a startup tech company had already received 80,000 hits at their website By early 2016, that number had climbed to 430,000. (, ) & (, ) slope & interpret find eqn. (y = mx + b) y-int & interpret In 2000, the life expectancy of males born in that year was 74.3 years. In 2010, it was 76.2 years. Let E(t) represent life expectancy and t the number of years since 2000. Predict the life expectancy of males in 2020. (, )&(, ) slope & intercept find eqn. (y = mx + b) y-int & interpret Predict: Suppose that suppliers are willing to sell S O million lb. of coffee at a price of $12 per pound and 7.0 million lb. at $15 per pound. Predict how much suppliers would be selling at a price of $6 per pound. (, ) & (, ) find eqn. ((y = mx + b) slope & interpret y-int & intercept Predict:

Solution

2)   ( year , hits) Let year 2014 be x =0

( 0 , 80,000)

( 2 , 430,000)

slope = ( 430,000 - 80,000)/( 2016 - 2014) = 175000

Interpretation of slope : 175000 hits per year

y = 175000x + c where c is y intercept

80,000 = 175000*2 +c

c = -270000

y = 175000x - 270000