Use the graph to determine the input values that correspond with f(x) = 1., what is the answer​

The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

For the equations below which statement is true ? -2x=14 6x=-42

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.