Answer:
given, y≥2x+1 and
y>21x−1
first, draw the graph for equations y=2x+1 and y=21x−1
for y=2x+1
substitute y=0 we get, 2x+1=0⟹x=−0.5
substitute x=0 we get, y=1
therefore, y=2x+1 line passes through (0.5,0) and (0,1) as shown in fig.
Hence, y≥2x+1 includes the region above the line.
for y=21x−1
