Earth Sciences homework help

I need help on question 6-11. I don’t seem to understand them.Attachment 1Attachment 2https : / / xlitemprod . pearsoncing . com/aptly!For the polynomial function below : ( 2 ) List each real zero and it’s multiplicity . ( b ) Determine whether the graph crossesx – axis , or touches the X- axis and turns around , at each zero .F ( X ) = – 8 ( X – 2) ( X + 5 ) 2( a ) Type the zeros off in the box below .X =( Use a comma to separate answers as needed . )What is the multiplicity of 2 ?( Type an integer . )What is the multiplicity of – 5 ?( Type an integer . )( b ) Determine whether the graph crosses the X-axis , or touches the X- axis and turns around , at each x-intercept .What does the graph do at * = 2 ?The graph crosses the X – axis .The graph touches the X- axis and turns around .What does the graph do at * = – 5 ?The graph crosses the X – axis .The graph touches the x – axis and turns around7 .According to postal service regulations , the girth plusGirth is 4x -the length of a parcel sent by priority mail may notexceed 100 inches .a ) As a function of X , express the volume V of arectangular parcel with two square faces ( with sidesOf length * inches ) that can be sent by mail .b ) Sketch a graph of V ( X )a ) The greatest allowed volume for a rectangular parcel with sides of length * inches , V ( X ) , is given by the followingexpression .cubic inches ( Type your answer in factored form . )V ( X ) =b ) Choose the correct graph below .OB .OC .OD .OA .~AV ( X )1000 0 * ( * )10000-7 ( * )10000-7 ( X )10000 -ofXOfof30O30ofO303 / 6 /201