There are initially 37 milligrams per deciliter of a drug in the bloodstream of a patient. The concentration of the drug shows a constant percentage decay of 6% per hour.
?
A: Using C for the concentration, in milligrams per deciliter, of the drug after t hours, write a formula for C.
?
B: What is the percentage decrease in concentration over any 4-hour period?
?
C: Make a graph that shows the drug concentration over the first 20 hours.
?
D: How long will it take for the concentration to decline by 24%?
?
Round your answers to two decimal places if necessary.
?
What will be an ideal response?
A: 
B: 21.93%
C:
B: 21.93%
C:
?
D: 4.44 hours
?
Mathematics
You might also like to view...
Solve.Given that sin ? = 0.7821 and that ? is in quadrant I, find sin 2?.
A. sin 2? = 0.9747 B. sin 2? = -0.8773 C. sin 2? = 0.926 D. sin 2? = 1.0722
Mathematics
Add.-10 + (-8) + 17
A. -1 B. 6 C. 35 D. -35
Mathematics
Find the equation for the curve in its final position.The graph of y = csc (x) is shifted a distance of ?/3 to the left, reflected in the x-axis, then translated 8 units upward.
A. y = -csc 
- 8
B. y = -csc 
+ 8
C. y = -csc 
- 8
D. y = -csc 
+ 8
Mathematics
Find an equation for the hyperbola described.Vertices at (±8, 0); foci at (±9, 0)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics