For the pair of functions, find the indicated sum, difference, product, or quotient.f(x) = 9x2 - 7x, g(x) = x2 - 5x - 14Find 
(x).
A. 
B. 
C. 
D. 
Answer: C
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An object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in meters . Find the maximum displacement, the frequency, and the time required for one cycle.d = 4 + 3 cos 5?t meters
A. displacement = 7 meters; period = 
seconds; f = 
oscillations/second
B. displacement = 3 meters; period = 
seconds; f = 
oscillations/second
C. displacement = 7 meters; period = 
? seconds; f = 
oscillations/second
D. displacement = 3 meters; period = 
seconds; f = 
oscillations/second
Use the graph to obtain the graph of the reciprocal function. Give the equation of the function for the graph that you obtain.y = - 3 cos 
x
A. y = - 3 csc 
x
B. y = - 3 sec 
x
C. y = - 3 sin 
x
D. y = 3 sec 
x
Determine whether the given expression is a polynomial. If it is, write it in standard form.x2 - x3 + x4 - 9
A. Yes; x4 - x3 + x2 - 9 B. No
Determine what fraction of the circumference of the unit circle the value represents.7?
A. 4
B. 
C. 3
D. 