Perform the addition or subtraction.(5x7 + 2x6 - 8x5 + 5) + 
A. -9x36 + 7
B. 8x7 - 7x6 + 7x5 + 5
C. 8x7 - 7x6 - 10x5 + 7
D. 8x14 - 7x12 - 10x10 + 7
Answer: C
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Write the expression in terms of sines and/or cosines, and then simplify.cot x sin x - tan x cos x
A. 
B. 
C. 
D. cos x - sin x
For the function f, use composition of functions to show that f-1 is as given.Let 
. Show that 
.
What will be an ideal response?
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Determine the distance, w, the outside walls are apart, if the height of each wall is 12 meters.
A. 12.8 meters B. 22.3 meters C. 11.15 meters D. 124 meters