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I think its 11 but im not 100% sure, plz help

I think its 11 but im not 100% sure, plz help
asked 153k views
3 votes
I think its 11 but im not 100% sure, plz help

I think its 11 but im not 100% sure, plz help-example-1
asked
User Paul Morgan
by
8.0k points

1 Answer

1 vote

Answer:

18x^2 -7

Explanation:

f(x) = 2x^2 -7

Replace x with 3x

f(3x) = 2 (3x)^2 -7

= 2 (9x^2) -7

= 18x^2 -7

answered
User Pradyot
by
7.9k points
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