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Find All Numbers for Which the Rational Expression Is Not $\frac { c - 7 } { 9 }$

Question 112

Multiple Choice

Find all numbers for which the rational expression is not defined.
- $\frac { c - 7 } { 9 }$

A) None
B) $c = 7$
C) $\mathrm { c } = - 7$
D) $\mathrm { c } = 0$

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