A)

[tex]\large\sf{} \red{f(x) = 2x + 5}[/tex]

[tex]\large\sf{} \blue{f(0) = 2 \times 0 + 5= 5}[/tex]

B)

[tex]\large\sf{} \red{f(x) = - x + 2}[/tex]

[tex]\large\sf{} \blue{f(0) = - 0 + 2 = 2}[/tex]

C)

[tex]\large\sf{} \red{f(x) = 1 - 5x}[/tex]

[tex]\large\sf{} \blue{f(0) = 1 - 5 \times 0 = 1 }[/tex]

D)

[tex]\large\sf{} \red{f(x) = 4x }[/tex]

[tex]\large\sf{} \blue{f(0) = 4 \times 0 = 0 }[/tex]

[tex]{\large\boxed{\boxed{  { \large \sf Bons~Estudos }}}}[/tex]