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)=3x
²
-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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