Sam, Tim, and Heidi each bought an item at the store. Sam bought a magazine for $2.47, Tim bought a race car for $8.99 and Heidi
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I don't know what is between f(x) and g(x), so (for now) there are two posible answers:
1.
- function multiplication:
2.
- function composition:
1.
2.
Given:
where, f(x) is the amount of a 12-mg dose of antibiotic left in her bloodstream after x hours.
To find:
The remaining mg in her bloodstream after 2 hours.
Solution:
The amount of a 12-mg dose of antibiotic left in her bloodstream after x hours is represented by the function
Putting x=2, we get the remaining mg in her bloodstream after 2 hours.
Therefore, the remaining mg in her bloodstream after 2 hours is 8.0688 mg.