Solve.A rectangular board is 2 ft by 18 ft. How far from the center of the board should the foci be located in order to cut the largest elliptical tabletop from the board?
A. 0.1 ft
B. 8.0 ft
C. 1.0 ft
D. 8.9 ft
Answer: D
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Evaluate the integral by using multiple substitutions.
dy
A. 
sin4 
+ C
B. 
cos4 
+ C
C. 2 sin4 
+ C
D. 6 sin2 
+ C
Find area of figure. Round to the nearest hundredth if necessary.Find the area of a square measuring 11 km on a side.
A. 242 km2 B. 22 km2 C. 44 km2 D. 121 km2
Find an equation of the inverse relation.x = y - 6y2
A. y = x + 6x2 B. y = x - 6y2 C. y = x + 6y2 D. y = x - 6x2
Solve the problem.A basement is flooded with 230 cubic feet of water. Water can be pumped out of the basement at a rate of 47 cubic feet of water per hour. Let f(t) represent the number of cubic feet of water that remains in the basement after t hours of pumping out water.i) Find an equation for f.ii) Find t when f(t) = 0. What does your result mean in terms of the situation?iii) What is the domain and range of the model? Explain.
What will be an ideal response?