Use symmetry to evaluate the integral.
A. 
B. 
C. 
D. 0
Answer: D
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Evaluate the line integral along the curve C.
; C is the quarter circle r(t) = 
, for 0 ? t ? 
A. ?
B. 
C. 3
D. 0
Sketch the indicated curve. Find the intercepts. Find any asymptotes. Find any relative extrema and determine the intervals on which the curve is increasing and the intervals on which it is decreasing. Find any inflection points. Determine the intervals on which the curve is concave up and the intervals on which it is concave down.y = 
What will be an ideal response?
Solve the problem.A retailer knows that n games can be sold in a month at a price of 
dollars per game. Assume that he buys each game for 
and sells every one that he buys. If he wishes to make a profit of at least 
per month on sales of this game, how many games must he sell each month?
A. He must sell 30 or fewer games. B. He must sell between 25 and 40 games, inclusive. C. He must sell between 30 and 50 games, inclusive. D. He must sell between 30 and 80 games, inclusive.
Use the given triangles to evaluate the expression. Rationalize all denominators. 
csc 30°
A. 
B. 
C. 
D. 2