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

(0,0), (1,5), (2,20), (3,45), (4,80) what's the rule?
asked 196k views
3 votes
(0,0), (1,5), (2,20), (3,45), (4,80) what's the rule?

asked
User Sra
by
8.0k points

1 Answer

4 votes
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


f(x)=x(5x) or
f(x)=5x^2
the rule is square the input then multiply by 5
answered
User Lamefun
by
8.1k points
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