Solve.The population P, in thousands, of Pine Grove is given by P(t) = 
, where t is the time, in months. Find the interval on which the population was 40 thousand or greater.
A. [5.474, ?)
B. (-?, ?)
C. [0.526, 5.474]
D. [0.658, 6.842]
Answer: D
Mathematics
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Write a numerical expression for the phrase and simplify it.Eighteen less than the difference between twelve and negative three
A. 3 - 12 - 18; -33 B. 18 - 12 - (-3); 9 C. -3 - 12 - 18; -33 D. [12 - (-3)] - 18; -3
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Factor using the reverse FOIL method.16x2 + 24x + 9
A. (16x - 3)(x - 3) B. (4x + 3)(4x + 3) C. (4x - 3)(4x - 3) D. (16x + 3)(x + 3)
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Find the probability.When a single card is drawn from an ordinary 52-card deck, find the probability of getting a black 6 or a black 4.
A. 
B. 
C. 
D. 
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Graph the function over a one-period interval.y = - 
cos 4(x-?)
A. 
B. 
C. 
D. 
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