Tell What the Output Value Is for the Function Machine $7 .$

Multiple Choice

Tell what the output value is for the function machine for an input of $7 .$

A) $M ( 7 ) = 49$
B) $M ( 7 ) = 19$
C) $M ( 7 ) = 32$
D) $M ( 7 ) = 54$
E) $M ( 7 ) = 12$