Algebra 2 Companion Book, Volume 2

9.1 Review Worksheet (continued)

Given f ( x ), graph g ( x ). 25. = + f x x ( )

x

  

   −

1 2

1 2

26. f x

g x 2and ( )

f x

= − 4and ( ) 3 ( ) g x f x

( )

(2 )

=

= −

27.  The amount that a caterer charges to cater a party for n people is given by the function C n n n n n ( ) 18 if 50 400 10 if 50 . = ≤ + >    a. During a sale, the caterer reduces the amount charged by 10%. Find the function for how much the caterer will charge during the sale.

b. If the caterer then decides to take an additional $2 off per person, find the function for how much the caterer will charge.

258

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