Solve the problem.The population of an animal species in a certain area is modeled by  where t is the time in months since the species was introduced to the area. Find the population of this species in the area 6 months after the species is introduced.

A. 470
B. 240
C. 74
D. 704


Answer: A

Mathematics

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Find the exact value by using a half-angle identity.sin 

A.  
B. -  
C.   
D. -  

Mathematics

Simplify the expression.(2x-2)-4

A.
B. 2x8
C.
D.

Mathematics

Determine the quadratic function whose graph is given.Vertex: (1, 9)y-intercept: (0, 8)

A. f(x) = x2 - 4x + 8 B. f(x) = -x2 + 2x + 8 C. f(x) = -x2 + 2x - 8 D. f(x) = -x2 - 4x + 8

Mathematics

Solve the inequality. Graph your solution on a number line, and write your solution in interval notation. ? 12

A. (-?, 18]

B. (-?, -6]

C. (-?, -6] ? [18, ?)

D. [-6, 18]

Mathematics