In a bandpass filter, the lower cut-off frequency, fr, is best described by:
a. CN
ÄÄÄÄ
2ãC2
b. ÚÄÄÄÄÄÄÄ
ûf1 ú f2
c. 1
ÄÄÄÄÄÄÄ
2ãRTHC1
c. 1
ÄÄÄÄÄÄÄ
2ãRTHC1
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Solve.A local pond can only hold up to 54 geese. Six geese are introduced into the pond. Assume that the rate of growth of the population is 
= (0.0012)(54 - P)Pwhere t is time in weeks.How long will it take for the goose population to be 17?
A. 47.74 weeks B. 20.09 weeks C. 14.25 weeks D. 29.18 weeks
Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: "nose" of the paraboloid x2 + y2 = 2z cut by the plane z = 1Density: ? = 
A. Iz = 
?
B. Iz = 
?
C. Iz = 16?
D. Iz = 2?
Evaluate the expression. All numbers are approximate. State your answer with the proper accuracy and precision.-0.3392 - (-0.607)6
A. -0.065 B. 0.165 C. -0.165 D. -0.16
Show that the following statement is true by transforming the left side into the right side.
?
What will be an ideal response?