22 Let fox * + 5 and 8 ( ) = x - 9 ( 2 ) Find () - D) Show work ( 6 ) Find the domain of the quotient function I Explain 23 . Points ( 5 , 2 ) and ( - 7 6 are endpoints of the diameter of a circle ( 2 ) What is the length of the diameter ? Give the exact answer , simplified as much as possible . Show work ( 6 ) What is the center point C of the circle ? ( C ) Givent he point ( you found in part ( 6 ) state the point symmetric to C about the - axis . 24 . Find the equation for a line which passes through the points ( 1 , 4 ) and ( 3 - 8 ) . Write th equation in slope intercept form Show work 25 . A salesperson earns a base salary of $1 580 per month and a commission of 4 796 on the amount of sales . If the salesperson has a paycheck of $3 987 8 for one month what was the amount of sales for the month ? Show work . 26 . Let f ( * ) = 5 x + 4 and 8 ( x ) = x - 3 ( a ) Find the composite function ( fog ) ( x ) and simplify Show work . ( 6 ) Find ( fog ) ( - 1 ) Show work 27 . Find the exact solutions and simplify as much as possible : 2x 2 - 3 - Ox Show work 28 . Given the function of ( x ) * - 8 . find a formula for the inverse function Show work