Identify the equation as a circle, a parabola, an ellipse, or a hyperbola.
?
?
A. Ellipse
B. Parabola
C. Hyperbola
D. Circle
E. None of the above
Answer: A
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Evaluate the integral.
d?
A. 
sin 
? - 
sin 
? + C
B. 
sin 
? + 
sin 
? + C
C. 
cos 
? + 
cos 
?+ C
D. 
sin 3? + 
sin 7? + C
Determine whether the graph has an Euler path that begins and ends at different vertices. If the graph has such a path, say at which vertices the path must begin and end.
A. Yes; A and C B. No C. Yes; G and D D. Yes; E and F
Determine whether the relation defines y as a function of x. Give the domain.y = - 
A. Not a function; domain (-?, 5) ? (5, ?) B. Function; domain (-?, 0) ? (0, ?) C. Function; domain: (-?, ?) D. Not a function; domain (-?, 0) ? (0, ?)
Solve.To determine the tip on a restaurant bill, a patron rounds his bill to the nearest dollar and then calculates 15% of that dollar amount. If the bill came to $24.45, determine the tip that he left.
A. $3.50 B. $3.80 C. $3.70 D. $3.60