Use the given information to find the exact value of the trigonometric function.cos ? = - 
, sin ? > 0
Find cos 
.
A. - 
B. - 
C. 
D. 
Answer: D
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Change the given polar coordinates (r, ?) to rectangular coordinates (x, y).(2, ?)
A. (2, 0) B. (-2, 0) C. (0, -2) D. (0, 2)
Solve the problem.Consider a population that decays according to an exponential model. The initial population is P0 = 46,875 and the common ratio is r = 0.8. How many generations will it take for the population to fall below 10,000?
A. 5 B. 7 C. 6 D. 4 E. none of these
Divide using long division.
A. m - 4
B. 6m - 4 + 
C. 6m - 4
D. 6m + 4
Solve.A carpenter wants to cut the largest possible ellipse from a 1 ft by 10 ft rectangular board. After the foci are located, a string is connected to them and pulled taut by a pencil in order to draw the ellipse. Find the length of the string.
A. 20 ft B. 10 ft C. 2 ft D. 1 ft