Answer:
f(4)
Step-by-step explanation:
replace the x in f(x) with 4
Answer:
(0,-2)
Step-by-step explanation:
y = 2x-2
This is in the form
y= mx+b where m is the slope and b is the y intercept
y =2x + -2 where 2 is the slope and -2 is the y intercept
Adding is where you added, or put something with, a number.
When you write the equation of a circle in the form

Then the center of the circle has coordinates
and the radius is 
So, in your case, the center of the circle is 