Solve the problem.A mechanic is testing the cooling system in a boat engine. He measures the engine's temperature over time. Use a graphing utility to build a logistic model from the data. Round value to the nearest hundredth. Based on the model, what is the carrying capacity of the cooling system? 
A. y = 
; 311.63°F
B. y = 
; 314.79°F
C. y = 
; 306.53°F
D. y = 
; 314.79°F
Answer: B
Mathematics
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Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.-
, -2i
A. f(x) = x4 - 45x2 - 28 B. f(x) = x4 + 3x2 - 28 C. f(x) = x4 + 3x2 + 14 D. f(x) = x4 - 3x2 - 28
Mathematics
Use a sum-to-product identity to rewrite the expression.sin 
+ sin 
A. 2
B. 2
C. 2
D. 2
Mathematics
Find all real numbers in the interval [0, 2?) that satisfy the equation.sin x = 1 - 2 sin2x
A. 
B. 
C. 
D. No solution
Mathematics
Solve the system of linear equations.
x - 
y = -18
x + 
y = -9
A. (12, 0) B. No solutions C. (-12, 0) D. (0, 12)
Mathematics