7.6 Function Operations Objectives: 1. To add, subtract, multiply and divide functions. 2. To find the composite of two functions.

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7.6 Function Operations Objectives: 1. To add, subtract, multiply and divide functions. 2. To find the composite of two functions.

Function Operations

Composition Functions

Example 8:Kohl’s is having a 20% off everything in the store sale! In addition, you have a coupon for $3 off. a) Use functions to model applying the 20% discount and to model applying the coupon. b) Use a composition of your two functions to model how much you would pay for an item if the cashier applies the discount 1 st and then the coupon. c) Use a composition of your two functions to model how much you would pay for an item if the cashier applies the coupon 1 st and then the discount. d) How much more is any item if the clerk applies the coupon first?

Homework  P 400 – 401: 1,3, 4, 5, 17,18, 23, 24, 29, 37, 41, 42, 43, 65, 67