What value(s) must be excluded from the domain of
f=\{(x,y):y=\dfrac{x+2}{x2} \}

×
2

×
0

✓
2

×
2 and 2

×
no value
What value(s) must be excluded from the domain of
f=\{(x,y):y=\dfrac{x+2}{x2} \}
2
0
2
2 and 2
no value
Since the denominator of a fraction is not allowed to be 0,
x2 \ne0
Therfore
x \ne2
The correct ansower is C