Solve the problem.The annual revenue and cost functions for a manufacturer of grandfather clocks are approximately 
and 
, where x denotes the number of clocks made. What is the maximum annual profit?
A. $3,240,000
B. $3,440,000
C. $3,140,000
D. $3,340,000
Answer: C
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Solve the problem.When Milo got promoted at work, he received a 25% pay raise. He now earns $35,000 per year. What was his annual salary before his raise?
A. $7000 B. $28,000 C. $8750 D. $35,000
Use the multiplication principle to solve the equation.
? x = 98
A. 137 B. 98 C. 19 D. 70
Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. In 5 seconds B. In 160 seconds C. In 2 seconds D. In 7 seconds
Use the vectors v, u, w, and z to draw the indicated vector. 
z - v
A. 
B. 
C. 
D. 