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Gradient of the line (2.2 - 0.2)/ 3 = 2/3
Equation of the line is given by y = mx + c, m is the gradient and c is the y intercept
m = 2/3 and c = 1/5
y = 2/3x + 1/5
Find the condition that satisfy the equation by choosing any point in unshaded region:
I choose (-3, 3)
-3 = 2/3 x 3 + 1/5
-3 = 2+ 1/5
-3 < 2 1/5
So the inequality that satisfy the above graph is C, i,e. y < = 2/3x + 1/5, since the line is continuous.
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