Solve the problem.The time T in seconds for a pendulum of length L feet to make one swing is given by 
How long is a pendulum (to nearest hundredth) if it makes one swing in 2 seconds? Use 3.14 for ?.
A. 3.75
B. 37
C. 23.57
D. 148
Answer: A
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Solve.Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $135 for 3 days and 300 miles, while Mary was charged $241 for 5 days and 600 miles. What does Best Rental charge per day and per mile?
A. $16 per day, 29¢ per mile B. $28 per day, 17¢ per mile C. $30 per day, 17¢ per mile D. $29 per day, 16¢ per mile
Provide an appropriate response.The standard normal probability density function is defined by f(x) = 
e- x2/2. (a) Use the fact that 
dx = 1 to show that 
dx =
.(b) Use the result in part (a) to show that the standard normal probability density function has variance 1.
What will be an ideal response?
Determine the continuity of the function at the given points.f(x) = 
at x = -1 and x = 3
A. The function f is continuous at neither 
nor 
B. The function f is continuous at 
but not at 
C. The function f is continuous at both 
and 
D. The function f is continuous at 
but not at 
Evaluate the square root and approximate to two decimal places if necessary.
A. 31 B. 544.5 C. 66 D. 33