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Finding Inverse Functions - Using Function Machines WORKSHEET

Suitable for Grades: Algebra II, IM 2
CCSS: HSF.BF.B.4, HSF.BF.B.4.a
CCSS Description: Find inverse functions. a. Solve an equation of the form f(x) = c for a simple function f that has an inverse and write an expression for the inverse. For example, f(x) =2 x3 or f(x) = (x+1)/(x–1) for x ≠ 1. b. (+) Verify by composition that one function is the inverse of another. c. (+) Read values of an inverse function from a graph or a table, given that the function has an inverse. d. (+) Produce an invertible function from a non-invertible function by restricting the domain.

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Finding Inverse Functions - Using Function Machines WORKSHEET DESCRIPTION

Introducing inverse functions through the concept of 'function machines' is an excellent way to help learners visualize and grasp this topic. This worksheet is designed to build students’ understanding and confidence in finding inverse functions step-by-step.

In Section A, learners will complete function machines for various functions, working forward and backward to identify the corresponding inverse function. They will express these inverse functions using proper notation f−1(x) and verify their results.

In Section B, students tackle more complex functions, applying their understanding of inverse processes. Functions include linear, quadratic, and fractional types, ensuring students gain a comprehensive understanding of inverses across different scenarios.

By working through this worksheet, students will solidify their grasp of the relationship between a function and its inverse, using visual aids and function notation effectively.