Solve.In a town whose population is 2500, 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. 458
B. 454
C. 459
D. 456
Answer: D
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 2 4 6 y 3.07 3.71 4.49 5.43?
A. ?
B. ?
C. ?
D.
Perform the indicated operation.-10 - 15
A. -5 B. -25 C. 5 D. 25
Solve.Kevin read of a book on Monday. He read
of the book on Wednesday. What fractional part of the book has Kevin read so far this week?
A. of the book was read
B. of the book was read
C. of the book was read
D. of the book was read
Find all values of ? with the given trigonometric function value.cos ? = -
A. 60° + n ? 360°; 300° + n ? 360°, n any integer B. 60° + n ? 360°; 120° + n ? 360°, n any integer C. 150° + n ? 360°; 210° + n ? 360°, n any integer D. 210° + n ? 360°; 330° + n ? 360°, n any integer