Question 42

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waecmaths question: 

For what range of values of x is $\tfrac{1}{2}x+2\ge 2x-1$

Option A: 

$x\le 2$

Option B: 

$x\ge 2$

Option C: 

$x\le 3$

Option D: 

$x\ge 3$

waecmaths solution: 

$\begin{align}  & \tfrac{1}{2}x+2\ge 2x-1 \\ & \tfrac{1}{2}x-2x\ge -1-2 \\ & -\tfrac{3x}{2}\ge -3 \\ & x\le 2 \\\end{align}$

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