Given #f(x)=-4x+2#, how do you find f(x) when x=-1?

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Answer 1 · 2018-03-05T15:11:19

It is #6#.

Just plug #-1# in for #x# in the equation and it gives you the answer

#f(-1)=-4xx(-1)+2=4+2=6#

Answer 2 · 2018-03-05T15:13:20

#f(-1)=6#

#"substitute "x=-1" into "f(x)#

#rArrf(color(red)(-1))=(-4xxcolor(red)(-1))+2#

#color(white)(rArrf(-1))=4+2=6#