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Home > AC > Chapter 11 > Lesson 11.1.5 > Problem 11-61

11-61.

Find the inputs for the following relations with the given outputs. If there is no possible input for the given output, explain why not.  

  1. Function Machine. Input: x = question mark, Rule: f of x equals 3 x minus 7, Output: f of x equals negative 1

Write out the equation.

Solve for .

  1.  Function Machine. Input: x = question mark, Rule: f of x equals the square root of the difference of 2 x minus 6, Output: f of x equals 10

Follow the steps in part (a).

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