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The shaded portion in the diagram is the solution of

Mathematics
WAEC 2010

The shaded portion in the diagram is the solution of
  • A. x + y \(\leq\) 3
  • B. x + y < 3
  • C. x + y > 3
  • D. x + y \(\geq\) 3
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Correct Answer: Option B
Explanation
Using \(\frac{x}{a} + \frac{y}{b}\) < 1for the equation of the time

where a = intercept on x-axis and b = intercept on y - axis

\(\frac{x}{3} + \frac{y}{3} = 1\)

= \(\frac{x + y}{3} = 1\)

= x + y < 3

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