Question 15

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waecmaths question: 

Given that $T=\{x:-2<x\le 9\}$ where x is an integer . What is n(T)

Option A: 

9

Option B: 

10

Option C: 

11

Option D: 

12

waecmaths solution: 

$\begin{align}  & T=\{x:-2<x\le 9\} \\ & T=\{-1,0,1,2,3,4,5,6,7,8,9\} \\ & n(T)=11 \\\end{align}$

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