List the numbers that precede and follow the given number in the given base.689

A. 679; 1019 
B. 669; 729 
C. 679; 709 
D. 679; 719 


Answer: C

Mathematics

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Write a chain rule formula for the following derivative. for w = f(x, y, z); x = g(s, t), y = h(s, t), z = k(s)

A.  =    +  
B.  =    +  
C.  =   + 
D.  =   

Mathematics

Find the absolute maxima and minima of the function on the given domain.  on the trapezoidal region with vertices        and  

A. Absolute maximum: 16 at    absolute minimum: 6 at  
B. Absolute maximum: 20 at    absolute minimum: 0 at  
C. Absolute maximum: 16 at    absolute minimum: 0 at  
D. Absolute maximum: 12 at    absolute minimum: 6 at  

Mathematics

Solve.While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 9 feet per second per second when the radius of the turn is 40 feet, find the acceleration the passengers feel when the radius of the turn is 120 feet.

A. 5 feet per second per second B. 4 feet per second per second C. 3 feet per second per second D. 6 feet per second per second

Mathematics

Express the set using the roster notation. The set of the days of the week.

A. {Tuesday, Thursday} B. {Saturday, Sunday} C. {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Sunday} D. {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday}

Mathematics