Help! I need this to pass my class.
2 answers:
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values that are <u>excluded from the domain</u> of a rational expression are values that make the denominator 0, since if that's so, the rational will be undefined. That happens when the denominator is zero out, let's do so
so, if ever m = 0, the denominator will become 0 and the rational becomes undefined, and whenever n = -3, the same will happen to the rational, thus those values are excluded.
For this case we have the following functions:
Multiplying both functions, we obtain an expression equivalent to (mn) (x).
We have then:
Substituting values we have:
Rewriting the expression we have:
Answer:
An expression that is equivalent to (mn) (x) is:
Multiplying both functions, we obtain an expression equivalent to (mn) (x).
We have then:
Substituting values we have:
Rewriting the expression we have:
Answer:
An expression that is equivalent to (mn) (x) is: