Solve the given applied problems involving variation.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 
when the length is 
what is the period when 
A. 5.0 s
B. 4.8 s
C. 1.4 s
D. 1.0 s
Answer: D
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Place the correct symbol (<, >, or =) between the pair of real numbers. -|2| -|-2|
A. -|2| < -|-2| B. -|2| > -|-2| C. -|2| = -|-2|
Decide whether the given number is a solution to the equation preceding it.
= 
+ 
; 6
A. Yes B. No
Tell whether the expression is a polynomial. If it is, give its degree.
A. Polynomial; degree 10 B. Polynomial; degree 7 C. Polynomial; degree 0 D. Not a polynomial
Complete the table for the function and find the indicated limit.
A. -0.0300, -0.0200, -0.0100, 0.0100, 0.0200, 0.0300 limit = 1 B. -0.0300, -0.0200, -0.0100, 0.0100, 0.0200, 0.0300 limit = 0.1 C. -0.0300, -0.0200, -0.0100, 0.0100, 0.0200, 0.0300 limit = 0 D. -0.0300, -0.0200, -0.0100, 0.0100, 0.0200, 0.0300 limit = -1