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Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?