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10 questions from this quiz
A sketch shows main features, not every point
Intercepts, asymptotes, labels, scale
Simplify, use common denominator, factorise
It reveals discontinuities and asymptotes
f(−x)=f(x)f(-x) = f(x)f(−x)=f(x)
Point symmetry about the origin
Substitute x=0x = 0x=0 into the function
Denominator = 0 but numerator ≠\neq= 0
Line y=Ly = Ly=L when f(x)→Lf(x) \to Lf(x)→L as x→±∞x \to \pm\inftyx→±∞
Where curve is above or below the x-axis
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