Find the inverse of the function.f(x) = 
A. f-1(x) = x2 - 8, x ? 0
B. f-1(x) = 
C. f-1(x) = x2 + 8, x ? 0
D. f-1(x) = (x - 8)2
Answer: C
Mathematics
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A. (-?, -4) or (1, ?) B. (-?, -4) C. (-4, 1) D. (1, ?)
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Find approximate solutions of the equation.x2 - 8.2x + 1.4 = 0
A. -0.17 or 0.17 B. -0.17 or -8.03 C. 8.03 or 0.17 D. 8.03 or -8.03
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Find the slope and the y-intercept of the given line.7x + 9y = 73
A. 
; 
B. - 
; 
C. 
; 
D. - 
; 
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