Solve the problem.Among all pairs of numbers whose sum is 64, find a pair whose product is as large as possible.
A. 32 and 32
B. 63 and 1
C. 34 and 30
D. 16 and 16
Answer: A
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Solve.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 800 pretzels B. 0.8 pretzels C. 170 pretzels D. 400 pretzels
Solve the problem.The equation for free fall at the surface of Planet X is 
with t in seconds. Assume a rock is dropped from the top of a 
cliff. Find the speed of the rock at 
A. 46.3 m/sec B. 45.3 m/sec C. 21.65 m/sec D. 22.65 m/sec
Solve.The following graph indicates the number of vehicles sold during a seven week period by two different salespeople. 
How many more vehicles did Chris sell in the first week than Chris sold in the sixth week?
A. 2 vehicles B. 3 vehicles C. 4 vehicles D. 5 vehicles
Provide an appropriate response.Find the value of 2x2 - 3x + 7 when x = -1.
A. 2 B. 6 C. 8 D. 12