Find the vertical asymptotes of the rational function.f(x) = 
A. x = - 
, x = 1
B. x = - 
, x = 1
C. x = 
, x = -1
D. x = 
, x = -1
Answer: C
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Solve the problem by integration.Find the volume generated by revolving the first-quadrant area bounded by 
and x = 3 about the y-axis.
A. 5? ln 3,240
B. 
? ln 3,240
C. 5? ln 
D. 10? ln 
Find the inverse of the function.f(x) = (x - 7)2, x ? 7
A. f-1(x) = 
+ 7
B. f-1(x) = x2 + 7
C. f-1(x) = - 
D. f-1(x) = 
Solve.If the start-up costs for a small sandwich shop are $320 per day and it costs an average of $2 per sandwich, the average cost per sandwich for making x sandwiches is given by, C = 
where C is in dollars. Find the number of sandwiches made if the average cost per sandwich is $6.
A. 8 sandwiches B. 80 sandwiches C. 90 sandwiches D. 160 sandwiches
Use the vertical line test to determine whether or not the graph is a graph in which y is a function of x.
A. not a function B. function