Explain and indicate the amount of definition and value range for the function
f(x) = (|x-5|)/(x-5) + 2 * ((|x-4|)(|x-6|))/((x-4)(x-6))
definitionsmängen fick jag till:
Df={x: x>4, x#5,6}=(4,5)U(5,6)U(6,infiniti)
Vf=?
Hint :
Ifthen,
or
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