Write a logistic equation with the given parameter values. Then solve the initial value problem and graph the solution. Let r be the natural growth rate, K the carrying capacity, and P0 the initial population.r = 0.8, K = 6,840, P0 = 570
A. P' = 0.8P
; P = 
B. P' = 0.8P
; P = - 
C. P' = 0.8P
; P = 
D. P' = -0.8P
; P = 
Answer: A
Mathematics
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Find the slope of the line containing the two points.(-9, 3); (-9, 1)
A. 
B. -2
C. 0
D. undefined
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Graph.x - 4 = 0
A. 
B. 
C. 
D. 
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Write the fraction in simplest form using the method of your choice.
A. 9w
B. 
C. 
D. 
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Solve the problem.Suppose f(x) = 29.4 + 1.2log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 77 meters.
A. 54.43 g/kg B. -27.13 g/kg C. 31.67 g/kg D. 56.83 g/kg
Mathematics