Answer:
hi
Step-by-step explanation:
the aswer is d
closed interval on x=3 and open at x=5
for all values between these numbers, y=3
so [3,5)
Just take it in co-ordinate pairs
Take two points
Slope:-




Equation of line in point slope form




- Convert to slope intercept form y=mx+b

Graph attached
Option C is the right way to solve the equation.