Find the slope of the line and sketch its graph.3x + 5y = 19 
A. slope = - 
B. slope = 
C. slope = - 
D. slope = 
Answer: A
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Use implicit differentiation to find dy/dx.xy + x = 2
A. 
B. 
C. - 
D. - 
Provide an appropriate response.Which one of the following is a description of the graph of the solution set for the system below?x2 + y2 ? 364x2 + 9y2 ? 36
A. The area inside the circle (defined by the first equation) and outside the ellipse (defined by the second equation), including both borders. B. The area inside the ellipse (defined by the second equation) and outside the circle (defined by the first equation), including both borders. C. The area inside the ellipse (defined by the second equation), including the border. D. None of these
Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 
; g(x) = 3x + 18
A. [0, ?) B. (-?, ?) C. (-?, -6] ? [0, ?) D. [-6, ?)
Solve the problem.The area of a circle varies directly as the square of the radius of the circle. If a circle with a radius of 
has an area of 78.5 square inches, what is the area of a circle with a radius of 8 inches?
A. 50.24 in.2 B. 203.36 in.2 C. 25.12 in.2 D. 200.96 in.2