5m Zen
If f
If f pictures 5
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If f
if f u003d2i+j-k
if f is differentiable in (0 6)
if f is a function satisfying
if f is increasing then fu0026#39; is
if f is the force acting on a particle
if f is the function defined by f(x)u003d1/x-1/x-1
if f is a function satisfying f(x+y)
