Answer:
f([tex]\frac{-x}{2}[/tex])=2x+1
Step-by-step explanation:
given f(x)=-4x+1................(1)
x=[tex]\frac{-x}{2}[/tex] put in equ (1)
f(x)=-4x+1
f([tex]\frac{-x}{2}[/tex] ) =-4([tex]\frac{-x}{2}[/tex])+1
f([tex]\frac{-x}{2}[/tex])=2x+1 answer