Solve the problem.An airplane took 4 hr to fly 700 mi against a head wind. The return trip with the same wind took 2 hr. Find the speed of the plane in still air.
A. 175 mph
B. 350 mph
C. 87.5 mph
D. 262.5 mph
Answer: D
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Find the reference angle for ?. ? = 
A. 
B. 
C. 
D. - 
Solve the problem.It has been determined that the number of fish f(t) that can be caught in t minutes in a certain pond using a certain bait is f(t) = 0.29t + 1, for t > 10. Find the approximate number of fish that can be caught if you fish for 30 minutes.
A. About 32 fish B. About 20 fish C. About 34 fish D. About 9 fish
For the given functions f and g, find the requested function and state its domain.f(x) = 5x3 + 1; g(x) = 2x2 - 3Find f ? g.
A. (f ? g)(x) = 10x6 - 15x3 + 2x2 - 3; (-?, ?) B. (f ? g)(x) = 10x5 - 15x3 + 2x2 - 3; (-?, ?) C. (f ? g)(x) = 10x5 - 15x3 + 2x2 - 3; (-?, 0) ? (0, ?) D. (f ? g)(x) = 5x3 + 2x2 - 3; (-?, ?)
Use synthetic division to perform the division.
A. x + 5 B. x + 6 C. x - 6 D. x - 7 E. x - 5