The amount of caffeine in the bloodstream decreases by 26% every hour. A cup of coffee contains 94 mg of caffeine. Define a function, f that gives the amount of caffeine remaining in the blood stream t hours after the coffee was consumed. How many hours will it take for the amount of caffeine to reach half of the amount in the initial cup of coffee? hours A double shot of espresso contains 126 mg of caffeine. Define a function, g , that gives the amount of caffeine remaining in the blood stream x hours after the espresso was consumed. How many hours will it take for the amount of caffeine to reach half of the amount in the initial espresso? hours A can of Rock Star energy drink has 180 mg of caffeine in it. How long after you consume the Rock Star will the caffeine in your blood stream decrease to 90 mg? hours True or False: The number of hours it takes for the amount of caffeine in your body to reach half of the amount initially in your body depends on the initial amount of caffeine in your body.
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
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
The amount of caffeine in the bloodstream decreases by 26% every hour.
-
A cup of coffee contains 94 mg of caffeine. Define a function, f
that gives the amount of caffeine remaining in the blood stream t
hours after the coffee was consumed.
-
How many hours will it take for the amount of caffeine to reach half of the amount in the initial cup of coffee?
hours
-
A double shot of espresso contains 126 mg of caffeine. Define a function, g
, that gives the amount of caffeine remaining in the blood stream x
hours after the espresso was consumed.
-
How many hours will it take for the amount of caffeine to reach half of the amount in the initial espresso?
hours
-
A can of Rock Star energy drink has 180 mg of caffeine in it. How long after you consume the Rock Star will the caffeine in your blood stream decrease to 90 mg?
hours
-
True or False: The number of hours it takes for the amount of caffeine in your body to reach half of the amount initially in your body depends on the initial amount of caffeine in your body.
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