For the pair of functions, find the indicated composition.f(x) = 
, g(x) = 5x4Find (g ? f)(x).
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the system of equations.x -y + 2z = -72x+ z = -3x + 4y +z = 1
A. (-3, 1, 0) B. (-3, 0, 1) C. (0, 1, -3) D. (1, 0, -3)
Mathematics
Determine the amplitude and find the phase shift in radians (to the nearest tenth).y = 
sin x + 
cos x
A. 
, -0.3
B. 
, 0.3
C. 
, -0.3
D. 
, 0.3
Mathematics
Find an equation of the line satisfying the following conditions.If possible, write the equation in slope-intercept form. Through (4, 3), parallel to 5x + 9y = -7
A. y = - 
x + 
B. y = - 
x - 
C. y = - 
x + 
D. y = 
x - 
Mathematics
Solve the problem.Find the value for x in the rectangular prism. Use exact values. 
7 in.
A. 3
in.
B. 
in.
C. 2
in.
D. 310 in.
Mathematics