Find an equation of a vertical line through 2 1 z 2 y 2 z

Find an equation of a vertical line through (-2, 1). z= -2 y = -2 z = 1 y = 1 What is the domain of the function f(x) = squareroot(1 + x)?

8. Equation of vertical passing through any point (a,b) is given by x = a

Hence, here the equation is : x = -2

8. Option A

9. Option C

10. Option B

11. Option A

12. Option D

13.Option D

14. Option B