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**Derick Mixon****Member**- Registered: 2013-09-03
- Posts: 65

For numbers 17 through 20 use f(x) = x2 x + 2

find f(2)

Find f(0)

Find f(-4)

Find f(1)

Can you help me solve these

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 82,950

Everywhere you see an x just plug in the number and then do the arithmetic.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**Derick Mixon****Member**- Registered: 2013-09-03
- Posts: 65

I have the first 2 right I need the last 2 done

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 82,950

They are done in post #102

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

**Online**