SOLUTION: explain why the function f(x)=3/x+2 + x-4/x+3 is a rational function and state its domain in interval notation.

Question 393063: explain why the function f(x)=3/x+2 + x-4/x+3 is a rational function and state its domain in interval notation.
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
f(x)=3/x+2 + x-4/x+3
=(3(x+3)+(x+2)(x-4))/(x+2)(x+3)
x cannot be -2 or -3 because there would be division by zero in the denominator.
X(-infinity, -3)U(-2, infinity)
.
Ed
.

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