It’s B because the y intercept is +3

For m = 0.6213,

For m = -3.6213,

Therefore, the equation has no extraneous solution.
6×+8=14 5×+2=7 14×7=98 ∆m=4.66
Your answer is option 3. Dashed lines because the inequality on either line is NOT an "or equal to" statement.