1) y= square_root (49.0) 6) square_root (9.0) Valid Valid Given the following functions, determine which statements are valid. Invalid Invalid def square_root (x) : 2) square root(49.0)=z return math. sqrt (x) Valid 7) y= print_val (9.0) def print_val (x) : Valid print (x) Invalid 3) y=1.0+ square root (144.0) Valid 8) y=1+ print_val (9.0) Invalid Valid 4) y= square_root(square_root(16.0)) Invalid Valid 9) print_val(9.0) Invalid Valid