Concerta and Ritalin Concerta and Ritalin are two different brands of a drug used to treat...

Concerta and Ritalin Concerta and Ritalin are two different brands of a drug used to treat ADHD.

a. Use the fact that market share for Concerta was y =2.4% for August 25, 2000 (x = 0), and was 10% eleven weeks later to write a linear function representing its market share as a function of time.

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b. Use the fact that market share for Ritalin was y = 7.7% for August 25, 2000 (x = 0), and was 6.9% eleven weeks later to write a linear function representing its market share as a function of time.

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c. Find the number of weeks past the release date of Concerta (August 25) that the weekly market share of Concerta reached that of Ritalin.