An algebra problem by Franz Pabilona

Algebra Level 1

If functions f f and g g have domains D f D_f and D g D_g respectively, then the domain of f g \dfrac fg is given by:

None of the above the intersection of Df and Dg without the zeros of function g the union of Df and Dg the intersection of Df and Dg

Franz Pabilona by Franz Pabilona , 21, Philippines

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1 solution

Franz Pabilona
May 1, 2016

Division by zero is not allowed in mathematics. Students tend to forget this point. so the answer is the intersection of Df and Dg without the zeros of function g

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