please assist me with my daughters problems so i may verify the formulas and solutions are accurate

5 . Determine whether the function is one - to - one . If it is find a formula for its inverse ( X ) Is the function one - to - one ? NO Yes What is the inverse function ? Select the correct choice below and fill in the answer box within your choice if necessary OR ( X ) O B . The function is not one - to - one 6 . For the function , f ( x ) 8 x . determine whether it is one - to - one . If the function is one - to - one . find a formula for the inverse Select the correct choice below and , if necessary fill in the answer box to complete your choice 1 A . Yes , the function is one- to - one . The inverse function is f ) ( X ) B . No , the function is not one - to - one