please help i don’t understand 
a)y=3x-1
b)y=5/3x+1
c)y=-5/2x-1
d)y=2/5x+1
                                             
                                          
                                          
                                        
											 
											Answer:
Step-by-step explanation:
X = 0
Y = 1
So b = 1
Y = ax +1
X = 5
Y = 3
3= 5a +1
a = 2/5 = slop
So
Y = 2/5 x + 1