5. This question?
:)

What is the inverse of the function f(x) = 2x + 1?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.