Solve the problem.Suppose $480 is deposited into an account earning 15% annual interest, compounded quarterly. Find the balance in the account at the end of 2 years.
A. $164.39
B. $644.39
C. $634.80
D. $621.09
Answer: B
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Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
Fahrenheit.
A. f-1(x) = x + 32
B. f-1(x) = 
(x + 32)
C. f-1(x) = 
x + 32
D. f-1(x) = 
(x - 32)
Solve the problem.In a transformer, an electric current in one coil of wire induces a current in a second coil. For a transformer, 
= 
where i is the current and t is the number of windings in each coil. In a neon sign amplifier, i1 = 1.6 A and the turns ratio 
= 150. Find i2 rounded to four decimal places, if necessary.
A. 94 A B. 240 A C. 0.0107 A D. 1.0667 A
Find the standard deviation of the data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below. Find the standard deviation. Round your result to the nearest ten cents. $190 $391 $307 $226 $311 $365 $357 $395
A. $353.00 B. $807,720.50 C. $75.60 D. $847,726.00
Provide an appropriate response.Round 45.678 to the nearest tenth.
Fill in the blank(s) with the appropriate word(s).