Antonyies18 Antonyies18

18-04-2017
Mathematics

contestada

If f(x)=3x^2-7 , find f(4). Show all work

Respuesta :

lexmaldo19 lexmaldo19

18-04-2017

Plug in all x's for 4. 4^2 = 16 --> 16x3=48 --> 48-7 = 41
41 is the final answer

Answer Link

PsychrolutesMarcidus PsychrolutesMarcidus

18-04-2017

f(x)=3x²-7

Simply insert value of x, 4 into the equation then simplify
f(4)=3(4)²-7
=3(16)-7
= 48 -7
= 41

Answer Link

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