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1-4.

"Find " means to find the output of function for an input of . For the function  , find each of the following values. Homework Help ✎

  1. Find . (This means find the output of the function when .)

    Substitute for each .

    Simplify.

  2. Find when . (This means find the input that gives an output of .)

    Substitute for .

    Solve for (multiply both sides by ).