Respuesta :

Answer:

a=25,b=-23

Step-by-step explanation:

f(x)=6x-5

a. f(5)=6(5)-5

f(5)=30-5

f(5)=25

b. f(-3)=6(-3)-5

f(-3)= -18-5

f(-3)=-(18+5)

f(-3)=-(23)

f(-3)=-23