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1)Given f(x) = x 5 + 8x 3 + x + 1 has an inverse, find f -1 (1) and f -1 (11). 2)Explain, in words and a picture, why this is true: if f(x) is increasing for all x, then f has an inverse. 3)Why does y = x 2 not really have an inverse?

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Unit Circle 1)Draw a large circle, centered at the origin. 2)Label the coordinates of the circle at the axes. 3)Draw in radii at every 45° measure then label all the radians for these degrees. 4)Draw in radii at every 30° measure then label all the radians for these degrees. 5)Draw on your paper an equilateral and isosceles right triangles. 6)See if you can remember the rules on these special triangles.

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To play click on circle Back to menu Transfor mations Reflections Rotations Translation Glide Reflections Back to menu Misc.

To play click on circle Back to menu Transfor mations Reflections Rotations Translation Glide Reflections Back to menu Misc.

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