Provide an appropriate response.Use a calculator to find: ln 91 Round to thousandths.
Fill in the blank(s) with the appropriate word(s).
4.511
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Solve the problem.In a particular situation, the pressure, P, exerted on a person's eardrum at a distance of 12 feet from the source is given by the function: 
where n is a positive integer. Use the difference identity for cosine to simplify P(t).
A. P(t) = 
cos (ct)
B. P(t) = 
cos (ct + 12)
C. P(t) = 
cos (ct) - 
sin (ct)
D. P(t) = cos (ct)
Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Find an equation of a parabola that satisfies the given conditions.Vertex (-3, -8), focus (-3, -14)
A. 24(y - 3) = (x - 8)2 B. 24(y + 8) = -(x + 3)2 C. 56(y - 8) = -(x - 3)2 D. 24(y - 8) = (x - 3)2
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.-5x2 + 19x + 4
A. Prime B. (-5x + 1)(x - 4) C. -(5x - 1)(x + 4) D. -(5x + 1)(x - 4)