Solve the problem.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. 170 pretzels
B. 0.8 pretzels
C. 800 pretzels
D. 400 pretzels
Answer: D
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Solve the problem.Find the image of the given figure under a 90° counterclockwise rotation about P.
A. 
B. 
C. 
D. 
Solve the compound interest problem. Round to the nearest cent.$1440 is invested at 9% compounded daily for 4 years. Find the overall amount.
A. $2047.82 B. $2055.77 C. $2063.90 D. $2032.68
Graph the pair of parametric equations by hand, using values of t in [-2,2]. Make a table of t-, x-, and y-values, using t = -2, -1, 0, 1, and 2. Then plot the points and join them with a line or smooth curve for all values of t in [-2,2]. Do not use a calculator.x = t2 + 2, y = -t - 1
What will be an ideal response?
Use the Product Rule to differentiate.
?
?
A. 
B. 
C. 
D. 
E. 