- #1

ludi_srbin

- 137

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Write f as piecewise defined function.

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- Thread starter ludi_srbin
- Start date

- #1

ludi_srbin

- 137

- 0

Write f as piecewise defined function.

- #2

ludi_srbin

- 137

- 0

Can I write it just like

f(x)={ x+|x| if x>1

f(x)={ x+|x| if x>1

- #3

TD

Homework Helper

- 1,022

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Where x > 0, you get f(x) = 2x.

Where x < 0, you get f(x) = 0.

Does that help?

Where x < 0, you get f(x) = 0.

Does that help?

- #4

ludi_srbin

- 137

- 0

O, got you. Thanks.

- #5

honestrosewater

Gold Member

- 2,136

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Minor point: don't forget x = 0 in your definition.TD said:Where x > 0, you get f(x) = 2x.

Where x < 0, you get f(x) = 0.

Does that help?

- #6

ludi_srbin

- 137

- 0

So should I put that also?

- #7

TD

Homework Helper

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Make the first one [tex] \ge [/tex] then ;o)

- #8

ludi_srbin

- 137

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And If I want to find g I use derivative?

- #9

TD

Homework Helper

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Sure, you could do that. Should be quite simple in this case!

- #10

ludi_srbin

- 137

- 0

Yeah. Thanks for help.

- #11

FluxCapacitator

- 52

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