If point (x, y) lies on the graph of y = f (2), then the graph f-1 (2) must contain the point O (-X, -y)
0 (-, -x)
(y, x)
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Me. i can't figure out this question. give an explanation too. .

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)