(0,0), (1,5), (2,20), (3,45), (4,80) what's the rule?

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01-09-2017
Mathematics

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(0,0), (1,5), (2,20), (3,45), (4,80) what's the rule?

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apologiabiology apologiabiology · Answer 1 · 2017-09-01T08:30:37+02:00

apologiabiology apologiabiology

01-09-2017

hmm, seems to multiply by 5
wait, no

first is multiply by 5
2nd is multiply by 10
3rd is multiply by 15
4th is multiply by 20
seems to be

[tex]f(x)=x(5x)[/tex] or [tex]f(x)=5x^2[/tex]
the rule is square the input then multiply by 5

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