One of sin x, cos x, and tan x is given. Find the other two if x lies in the specified interval.sin x = - 
,
x in 
A. cos x = 
, tan x = 
B. cos x = 
, tan x = - 
C. cos x = - 
, tan x = - 
D. cos x = - 
, tan x = 
Answer: B
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Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log4.6 246
A. 3.6076 B. 53.4783 C. 2.3909 D. 0.2772
Find the foci of the ellipse.
+ 
= 1
A. (-2, -18), (-2, 22) B. (-13, -2), (17, -2) C. (-18, 2), (22, 2) D. (-2, -13), (-2, 17)
Solve the problem.The one-day temperatures for 12 world cities along with their latitudes are shown in the table below. Make a scatter diagram for the data. Then find the line of best fit and graph it on the scatter diagram.
Latitude (degrees)
Temperature (F)°
What will be an ideal response?
Solve the problem.During a hurricane evacuation from the east coast of Georgia, a family traveled 
west. For part of the trip, they averaged 
but as the congestion got bad, they had to slow to 
If the total time of travel was 7 hours, how many miles did they drive at the reduced speed?
A. 108 mi B. 118 mi C. 103 mi D. 113 mi