Solve the problem.The percent of concentration of a drug in the bloodstream x hours after the drug is administered is given by K(t) = 
. On what time interval is the concentration of the drug increasing?
A. (0, 4)
B. (1, 4)
C. (0, 5)
D. (-4, 4)
Answer: A
Mathematics
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Find a formula for the nth term of the sequence.0, 0, 2, 2, 0, 0, 2, 2 (alternating 0's and 2's in pairs)
A. an = 1 + (-1)n(n+1) B. an = 1 + (-1)n(n-1) C. an = 1 + (-1)n(n + 1)/2 D. an = 1 - (-1)n(n-1)
Mathematics
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = 8, c = ?
A. c = 10 B. c = 7 C. c = 9 D. c = 5
Mathematics
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property.8 + (s + 7) =associative property of addition
A. (s + 7) + 8 B. (8 + s) + 7 C. 8 + (7 + s) D. (s + 8 ) + 7
Mathematics