Solve the problem.A pharmaceutical company introduces a new headache medication on the market. They advertise the product on television and find that the percentage P of people who buy the product after t weeks satisfies the function 
Find the formula for the rate of change P'(t).
A. P'(t) = 
B. P'(t) = 
C. P'(t) = 
D. P'(t) = 
Answer: C
Mathematics
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Find the LCD of the list of fractions.
, 
A. 14 B. 20 C. 40 D. 2
Mathematics
Use properties of limits to find the indicated limit. It may be necessary to rewrite an expression before limit properties can be applied.
A. -8 B. 5 C. does not exist D. 0
Mathematics
Divide.
?
?
A. 2.75 B. 2.2 C. 3.25 D. 2.15 E. 2.25
Mathematics
Solve.The discus is thrown from a circular region 8 feet 3 inches in diameter. What is the area of the circle (in square inches)? Use 3.14 for ?. Round to the nearest tenth, if necessary.
A. 3846.9 sq in. B. 30,775.1 sq in. C. 7693.8 sq in. D. 310.9 sq in.
Mathematics