Question on: WAEC Mathematics - 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 Option: B
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
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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