P is TRUE and Q is FALSE

Both P and Q are TRUE

P is FALSE and Q is TRUE

Both P and Q are FALSE

$\frac{1}{12h^2} \left[ -f_{i+2} + 16 f_{i+1} - 30 f_i + 16 f_{i-1} - f_{i-2} \right]$

$\frac{1}{12h^2} \left[ f_{i+2} + 16 f_{i+1} - 30 f_i + 16 f_{i-1} - f_{i-2} \right]$

$\frac{1}{12h^2} \left[ -f_{i+2} + 16 f_{i+1} - 30 f_i + 16 f_{i-1} + f_{i-2} \right]$

$\frac{1}{12h^2} \left[ -f_{i+2} - 16 f_{i+1} + 30 f_i - 16 f_{i-1} - f_{i-2} \right]$

Maxima point

Minima point

Saddle point

Inflection point

P is a homogeneous ODE and Q is an exact ODE.

P is a homogeneous ODE and Q is not an exact ODE.

P is a nonhomogeneous ODE and Q is an exact ODE.

P is a nonhomogeneous ODE and Q is not an exact ODE.