Provide an appropriate response.Find the error in the following "proof" that the area inside the lemniscate 
and then find the correct area. A = 
= 
= 
= 0
What will be an ideal response?
The error is in the limits of integration. There are no points on the curve corresponding to values of ? such that 
or 
since 
is negative on these intervals. The correct area is a2.
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Convert the area as indicated.1152 square inches to square feet
A. 96 ft2 B. 13,824 ft2 C. 165,888 ft2 D. 8 ft2
The graph of a one-to-one function f is given. Sketch the graph of the inverse function f-1, on the same set of axes. Use a dashed line for the inverse.
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.Radio direction finders are set up at points A and B, 2.51 mi apart on an east-west line. From A it is found that the bearing of a signal from a transmitter is 
while from B it is 
Find the distance of the transmitter from B, to the nearest hundredth of a mile.
A. 1.95 mi B. 2.45 mi C. 1.58 mi D. 1.08 mi