Answer:
7(x)=5x+7
to find the x / zero intercept, plug in f (x) = 0
0=5x+7
move the left side and change the sign
-5x7
divide both of the equation by -5
x= 
same steps for g(x)=-2x-4
x=-2
Answer:
1.7
Step-by-step explanation:
You can just use a calculator to make the work easier.
Answer:
-13
Step-by-step explanation:
hello,
Replace x by the value as below

Thanks
Answer:
-2
Step-by-step explanation:
the y-intercept is -2