Solve the problem.A grocery store estimates that the revenue (in dollars) from the sale of x cases of condensed soup is given by 
Use the differential to approximate the change in revenue from the sale of one more case of soup when 1300 cases are sold.
A. $5.34
B. $7.42
C. $3946.00
D. -$7.42
Answer: A
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Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 20 feet. (Round to the nearest tenth.)
A. 1280 ft per sec B. 25.3 ft per sec C. 35.8 ft per sec D. 6.3 ft per sec
Solve the problem.The ratio of the lengths of strings that play the notes D and B is 27 to 16. If a string 64 cm long plays a B, what is the length of the string that plays a D?
A. 64 cm B. 91 cm C. 108 cm D. 80 cm
Solve the equation. Express radicals in simplest form.5y2 + 
= 
y
A. 
B. 
C. 
D. 
Find the quotient.Divide -36 by -4
A. 
B. 9
C. -9
D. - 