Answer:
The answer to your question is: letter a
Step-by-step explanation:
a) 3x - 7y > - 21 this is the right answer because when we solve if we obtain the dotted line, and also the ">" tell us that we are looking for the upper area.
b) 3x - 7y < - 21 this is not the right answer because the "<" tell us that we are looking for the lower section and that's incorrect.
c) 3x - 7y < 21 This is not the right answer because when we graph this equation, the line is different from the one in the draw.
d) 3x - 7y < - 21 This answer is not correct because the "<" says that we are looking for the lower area and that is not correct.
