Provide an appropriate response.The number of farms in a certain country since 1940, in millions, can be approximated by evaluating the polynomial 
where x is the year in question. Evaluate the polynomial for x = 2010 to determine the number of farms in 2010. Round the answer to the nearest million farms.
A. 3 million farms
B. 6 million farms
C. 4 million farms
D. 7 million farms
Answer: C
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = (6x - 5y)3
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c ? 0
B. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
C. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
D. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
Estimate the value of the quantity.A piece of tissue paper is picked up in gusty wind. The table shows the velocity of the paper at 2 second intervals. Estimate the distance the paper travelled using 
A. 215 ft B. 119 ft C. 238 ft D. 218 ft
Differentiate the following function implicitly to find dy /dx.
Find the center and vertices of the hyperbola and select its graph, using asymptotes as sketching aids.
?
?
A. Centre: (0,0)
Vertices: (0,-5)
B. Centre: (0,0)
Vertices: (±5,0)
C. Centre: (0,0)
Vertices: (0,±5)
D. Centre: (0,0)
Vertices: (0,5)
E. Centre: (0,0)
Vertices: (5,0)
