Find the inverse of the function.f(x) = -x2 + 12, x ? 0
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = x2 + 12
D. f-1(x) = 
Answer: D
Mathematics
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A. {60°, 120°} B. {60°, 120°, 240°, 300°} C. {240°, 300°} D. ?
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Write in standard notation.6.66 × 10-4
A. 0.00666 B. 0.000666 C. -666,000 D. 0.0000666
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Given the side lengths of a right triangle, find the indicated value. opp = 4, hyp = 7Find cos ?.
A. 
B. 
C. 
D. 
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