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What is a FUNCTION?  an input/output machine where… …each input has EXACTLY one output. …outputs are 100% predictable.

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Presentation on theme: "What is a FUNCTION?  an input/output machine where… …each input has EXACTLY one output. …outputs are 100% predictable."— Presentation transcript:

1 What is a FUNCTION?  an input/output machine where… …each input has EXACTLY one output. …outputs are 100% predictable.

2 Example:

3 So what does an INVERSE function do? It reverses the process of a function. Consequently, it changes the outputs BACK to inputs.

4 INVERSE example: INVERSE Function Machine

5 What about trigonometric functions? Sine, cosine, and tangent have ANGLES as inputs. Their outputs are a ratio of sides (Remember Soh-Cah-Toa)

6 sin( )

7 How do INVERSE trigonometric functions work? The input of an INVERSE trig function is a ratio of sides. The output of an INVERSE trig function is an ANGLE.

8 sin -1 ( )

9 FUNCTION INVERSE FUNCTION

10 Choose the OUTPUT… B A C BC AB

11 Choose the OUTPUT… B A C CA AB

12 Choose the OUTPUT… B A C

13 B A C


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