Question

Asked Oct 1, 2019

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The number of asthma sufferers in the world was about 84 million in 1990 and 130 million in 2001. Let N represent the number of asthma sufferers (in millions) worldwide t years after 1990.

part a. Write N as a linear function of t. Use exact values in your formula, not decimal approximations.

part b. Write N as an exponential function of t. Use exact values in your formula, not decimal approximations

part c. How many asthma sufferers are predicted worldwide in the year 2018 with the linear model?

Step 1

(a) It is given that the asthma patients were 84 million in 1990 and 130 million in 2001.Let N represent number of asthma patient after 1990.Let the coordinate points be (0,84) and (11,130).Obtain N as a linear function of t.

Step 2

Use the slope and the point (0,84) to find the linear function of t.

Step 3

(b) Use the points (0,84) and (11,130) to obta...

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