Solve the problem. A wild animal preserve can support no more than 190 elephants. 29 elephants were known to be in the preserve in 1980. Assume that the rate of growth of the population is 
= 0.0004P(190 - P)where t is time in years. How long will it take for the elephant population to increase from 29 to 110? [First find a formula for the elephant population in terms of t.]
A. 24.6 years
B. 27.8 years
C. 23.3 years
D. 26.7 years
Answer: D
Mathematics
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Find the intervals on which the function is continuous.y = 
A. discontinuous only when x = -3 or x = 3 B. discontinuous only when x = -9 or x = 9 C. discontinuous only when x = 9 D. discontinuous only when x = -3
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Graph the equation using slope and y-intercept.4x + 5y = 23
A. 
B. 
C. 
D. 
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Write an equivalent expression using radical notation and, if possible, simplify. Assume that even roots are of nonnegative quantities.m4/3
A. 
B. 
C. 
D. 
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Solve the problem.Find the beginning of year NAV for ASCPX which has a current net asset value of $4.84 and YTD % Return of 1.3%. Round to the nearest cent.
A. $2.10 B. $4.90 C. $4.78 D. $3.72
Mathematics