Can anyone help me with these questions?

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Anonymous
2016-05-04 07:10:39 Post No. 113957
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Anonymous 2016-05-04 07:10:39 Post No. 113957 [Report]

Can anyone help me with these questions?

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Anonymous 2016-05-04 07:13:34 Post No.113959
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Anonymous 2016-05-04 07:13:34 Post No.113959 [Report]

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also this

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Anonymous 2016-05-04 08:14:03 Post No.114004
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Anonymous 2016-05-04 08:14:03 Post No.114004 [Report]

>>113957
Are you fucking retarded? You should be ashamed of yourself

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Anonymous 2016-05-04 09:25:48 Post No.114044
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Anonymous 2016-05-04 09:25:48 Post No.114044 [Report]

>>>/global/rules/2

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Anonymous 2016-05-04 19:17:39 Post No.114321
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Anonymous 2016-05-04 19:17:39 Post No.114321 [Report]

>>113957
I'll help you OP. I'll just do one of them, you should be able to do the rest.

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Anonymous 2016-05-04 19:19:35 Post No.114325
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Anonymous 2016-05-04 19:19:35 Post No.114325 [Report]

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>>114321
Here you go.

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Anonymous 2016-05-05 08:11:22 Post No.114813
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Anonymous 2016-05-05 08:11:22 Post No.114813 [Report]

>>114325
for b) you can (always?) use the function computed in a, so

r(j(-2)) = 7(-2)^2 - 2 = 7(4) - 2 = 28 - 2 = 26