Choose a numbr from 10 to 90. write to show the number that are10 less and 10 more than your number

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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?