A certain calling card costs 6.1 cents per minute to make a call, rounded up to the nearest minute. However, when the card is used at a pay phone, there is an additional 61 cent connection fee. If 
is the charge from a pay phone for a call lasting t minutes, create a table of charges for calls lasting close to 1 minute and use it to find the following limit, if it exists. Round your answer to the nearest cent.
?
?
A. $0
B. $0.61
C. $0.73
D. $0.67
E. does not exist
Answer: D
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Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(-7, 8); Find cot ?.
A. - 
B. - 
C. 
D. - 
Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
If 
= 
, then ad and bc are called 
.
A. least common denominator B. complex fraction C. reciprocals D. cross products
Solve the triangle, if possible. Round to the nearest hundredth.C = 122.3°a = 4.50 kmb = 11.60 km
A. c = 20.31 km, A = 13.2°, B = 44.5° B. c = 14.51 km, A = 15.2°, B = 42.5° C. c = 17.41 km, A = 17.2°, B = 40.5° D. No solution
Identify the type of graph.
+ 
= 0
A. The graph is the point (6, 4). B. The graph is an ellipse with center at (-6, -4). C. The graph is an ellipse with center at (6, 4). D. The graph is a hyperbola opening right and left.