Solve the problem.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 function, N(t) = . Find the number infected after 8 days.

A. 1514
B. 1515
C. 1512
D. 1510

Answer: C

Mathematics

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Identify the domain and range of the relation.{(4, -7), (6, 9), (-9, -2), (8, -9)}

A. D = {4, -9, 8, 6}; R = {-7, -7, -2, -9, 9} B. D = {4, -9, 8, 6}; R = {-7, 7, -2, -9, 9} C. D = {4, -9, 8, 6}; R = {-7, -2, -9, 9} D. D = {-7, -2, -9, 9}; R = {4, -9, 8, 6}

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Mathematics

In the following table, Y1 is defined by a rational expression of the form . Use the table to find the values of p and q.

A. p = -2; q = -1 B. p = -2; q = -3 C. p = -1; q = -2 D. p = -3; q = -2

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Mathematics

Simplify.7

A. 7q
B. 21
C. 21p3q3
D. 21p3q

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Mathematics

Use substitution to factor the trinomial.x4 - 7x2 + 12

A. (x2 + 3)(x2 - 4) B. (x2 + 3)(x2 + 1) C. (x + 3)(x - 4) D. (x2 - 3)(x2 - 4)

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Mathematics