Can someone help me with this question if two figures are similar but not congruent, how are they alike, and how are they different?

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

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.