What is the linear function rule for this table?

Responses

f(x)=−4x+1
f of x is equal to negative 4 x plus 1

f(x)=4x+1
f of x is equal to 4 x plus 1

f(x)=x+4
f of x is equal to x plus 4

f(x)=−x+4

f of x is equal to negative x plus 4