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WAEC Further Mathematics 2010 Paper

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Question : 1

Total: 40

Find the domain of

f(x) = \frac{x}{3 - x}, x \in R

, the set of real numbers.

$\{x : x \in R, x \neq 3\}$
$\{x : x \in R, x \neq 1\}$
$\{x : x \in R, x \neq 0\}$
$\{x : x \in R, x \neq -3\}$

Solution:

$f(x) = \frac{x}{3 - x}$

f(x) has a defined value except at x = 3 where the function is undefined.

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