Kyle consumes an energy drink that contains 180 mg of caffeine. The amount of caffeine in his body decreases by 12.2% per hour. (Assume Kyle has no caffeine in his body prior to consuming the drink.) a. Write a function f that determines the number of mg of caffeine in Kyle's body in terms of the number of hours t since Kyle consumed the energy drink. f(t) = 180- 180(.122)^t Preview b. How many mg of caffeine remains in Kyle's body 7 hours after he consumed the energy drink? * mg Preview c. If Kyle has 80 mg of caffeine in his body, how many hours have elapsed since he consumed the energy drink? (Hint: You will need to use a graphing calculator.) * hours Preview
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
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The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
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