Find the rectangular graph of the following polar equation.
a. 
b. 
c. 
d. 
e. 
d.
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Find the second derivative of the function.y = 
A. 
= 
+ 
B. 
= - 
- 
C. 
= 
+ 
D. 
= - 
- 
Solve the problem.An airline charter service charges a fare per person of $350 plus $20 for each unsold seat. The airplane holds 100 passengers. Let x represent the number of unsold seats and write an expression for the total revenue R for a charter flight.
A. R(x) = (100 - x)(350 + 20x) or 35,000 + 2000x - 20x2 B. R(x) = x(350 + 20x) or 350x + 20x2 C. R(x) = (100 - x)(350 + 20x) or 35,000 + 1650x - 20x2 D. R(x) = 100(350 + 20x) or 35,000 + 2000x
Solve the problem.A rectangular enclosure must have an area of at least 3600 yd2. If 
of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 40 yd ? width ? 65 yd B. 0 yd ? width ? 40 yd C. 40 yd ? width ? 90 yd D. 65 yd ? width ? 90 yd
Provide an appropriate response.The region bounded by the lines x = 2, x = 6, y = -2, and y = 1 is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of this solid.
What will be an ideal response?