Use implicit differentiation to find dy/dx.xy + x + y = x2y2
A. 
B. 
C. 
D. 
Answer: A
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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercepts: (-1, 0) and (5, 0) ,
y-intercept: 
;
B. No x-intercepts, y-intercept: (0, -4) ;
C. x-intercepts: (1, 0) and (-5, 0) ,
y-intercept: 
;
D. No x-intercepts, y-intercept: (0, -4) ;
Solve the problem.The table below shows the population of a city in various years. Use the data to draw a graph of the population as a function of time. Use the graph to estimate when the population reached 6.4 million 
A. 2005 B. 2004 C. 2007 D. 2006
Solve the problem.A car traveled 249 miles on 9
gallons of gas. How many miles per gallon did it get?
A. 27 mpg
B. 27
mpg
C. 27
D. 28 mpg
Determine whether the matrices in each pair are inverses of each other.
, 
A. No B. Yes