Which equivalent four-term polynomial can be created using the X method?

sorry i dont know my friend

i hope this is what you were looking for.

see attached graph

hello,

as we don't know if g(x) is continue,

answer b

f(x)=2x²-8x+1=2(x²-4x+4)+1-8=2(x-2)²-7

vertex is (2,-7) ( a minimum since coefficient of x² is > 0)