# word math problem, algebra homework help

**Question description**

when a certain prescription drug is taken orally by an adult, the amount of the drug (in mg/L) in the bloodstream at t hours is given by the function y =f(t) shown in the graph

## Tutor Answer

I wrote the solutions. Take docx or pdf file, they are the same. Ask if something is unclear.

1. What is the concentration of the drug in the bloodstream at t = 8 hours?

To find the answer, we draw a vertical line that goes through the point (8, 0) at the x-axis (shown in

green). It has only one intersection with the graph. Draw a horizontal line through this point of

intersection (red) and read the value at the y-axis. In this case it i...

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