Question

Me ajudem, é urgente!

Answer 1

Step-by-step explanation and answers:

a) y=3x+1

y=3*(-1)+1= -3+1= -2

y=3*0+1=0+1=1

y=3*1+1=3+1=4

b) y= -3x+1

y= -3*(-1)+1=3+1=4

y= -3*0+1=0+1=1

y= -3*1+1= -3+1= -2