amber5852 amber5852

18-05-2021
Mathematics

contestada

If f(n) = 3n^2-7, then f(-2) equals___.

Respuesta :

Yang100 Yang100

18-05-2021

Answer:

5

Step-by-step explanation:

f(n)=3n^2-7

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

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

f(-2)=3(4)-7

f(-2)=12-7

f(-2)=5

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