HURRY

Which function does this graph represent?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?