Answer :

kritter1
f(x)=3x-1 

y-intercept:
y=3(0)-1 
y=-1 

x-intercept: 
0=3x-1 
1=3x
1/3=x

g(x)=2f(x)-4 

y-intercept: 
y=2f(0)-4 
y=2(-1)-4 
y=-6 

x-intercept: 
0=2f(x)-4 
0=2(3x-1)-4 
0=6x-2-4 
0=6x-6 
0=x-1 
1=x 

Hope I helped :) 

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