Solve.In a town whose population is 2000, a disease creates an epidemic. The number N of people infected t days after the disease has begun is given by the functionN(t) = 
Find the number infected after 2 days.
A. 266
B. 267
C. 264
D. 262
Answer: C
Mathematics
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Solve the system by the substitution method.
A. (6, -5), (5, -6) B. (6, 5), (-5, -6) C. (-6, -5), (-5, -6) D. (-6, 5), (-5, 6)
Mathematics
Solve the problem.The price p (in dollars) and the quantity x sold of a certain product obey the demand equation p = -15x + 360, 0 ? x ? 24.What price should the company charge to maximize revenue?
A. $18 B. $6 C. $12 D. $14.4
Mathematics
Solve the equation by the square root property.(2x - 1)2 = 9
A. {-4, 2} B. {-2, 1} C. {-2, 4} D. {-1, 2}
Mathematics
Solve.William earned an extra $9000 last year from a part-time job. He invested part of the money at 8% and the rest at 10%. He made a total of $800 in interest. How much was invested at 10%?
A. $5000 B. $4500 C. $4000 D. $7000
Mathematics