Find the inverse of the function, and state the domain and range of the inverse function.f(x) = 5 cos (2x) + 8 for 0 ? x ? 
A. f-1(x) = 
cos-1 
; domain = [3, 13]; range = 
B. f-1(x) = 
cos-1 
; domain = [-13, 13]; range = 
C. f-1(x) = 
cos-1 
; domain = [3, 13]; range = 
D. f-1(x) = 
cos-1 
; domain = [3, 13]; range = 
Answer: A
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A. r = 4 sin ? cos ?
B. r = 
C. r2 = 
D. r2 = 4 sin ? cos ?
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A. 
B. 
C. 3
D. 
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?4 and ?7
A. Complementary angles B. Alternate interior angles C. Corresponding angles D. Interior angles same side of the transversal
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