What is the base area of Box 3? x2 + x

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

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

Acomposition of transformations maps δxyz to δx"y"z". the first transformation for this composition is , and the second transformation is a 90° rotation about point x'.