For the pair of functions, find the indicated composition.f(x) = 
x, g(x) = - 
xFind (f ? g)(x).
A. -x
B. x
C. 0
D. 1
Answer: A
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Evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Solve the application problem.A certain rectangle's length is 5 feet longer than its width. If the area of the rectangle is 66 square feet, find its dimensions.
A. 5 ft by 10 ft B. 5 ft by 12 ft C. 7 ft by 12 ft D. 6 ft by 11 ft
Solve the problem.A ship at sea, the Admiral, spots two other ships, the Barstow and the Cauldrew and measures the angle between them at be 45°. They radio the Barstow and by comparing known landmarks, the distance between the the Admiral and the Barstow is found to be 323 meters. The Barstow reports an angle of 59° between the Admiral and the Cauldrew. To the nearest meter, what is the distance between the Barstow and the Cauldrew?
A. 235 m B. 266 m C. 81 m D. 49 m
Find the indicated sum.
A. 3 B. 10 C. 6 D. 18