Question

for which would you draw a dashed boundary line a d shade to the left? a) x⩽ -4b) x ⩾ -4c) x < -4 d) x > -4

Answer 1

Question:

for which would you draw a dashed boundary line and shade to the left?

a) x⩽ -4

b) x ⩾ -4

c) x < -4

d) x > -4​

solution:

The dashed line is for strict inequalities. That is: y< or y>. Then the correct answer is: c) x < -4 , because: