19csterner 19csterner

15-04-2020
Mathematics

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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 class=

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wegnerkolmp2741o wegnerkolmp2741o

15-04-2020

Answer:

18x^2 -7

Step-by-step explanation:

f(x) = 2x^2 -7

Replace x with 3x

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

= 2 (9x^2) -7

= 18x^2 -7

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