Give the equation of the horizontal asymptote, if any, of the function.f(x) = 
A. y = 5
B. y = 8
C. y = 1
D. none
Answer: C
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Factor.8x2y2 - 31xy - 45
A. (8xy - 5)(xy + 9) B. (8x + 9y)(x - 5y) C. (8xy + 5)(xy - 9) D. (8xy + 9)(xy - 5)
Find the value for the function.Find f(x + h) when f(x) = 
.
A. 
B. 
C. 
D. 
Solve the problem.A surveyor standing 69 meters from the base of a building measures the angle to the top of the building and finds it to be 37°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 50°. How tall is the radio tower? Round to the nearest hundredth when necessary.
A. 10.75 meters B. 11.33 meters C. 30.24 meters D. 15.93 meters
Graph the function defined by a radical expression. Give the domain and range.
= - 
A. Domain: (-?, ?);
Range: (-?, -4]
B. Domain: (-?, -4];
Range: (-?, ?)
C. Domain: (-?, ?);
Range: [4, ?)
D. Domain: [-4, 4];
Range: [-4, 0]