An engineering professor acquires a new computer once every 2 years. the professor can choose from three models: m1, m1, and m3.
1 answer:
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Answer: x=4
Steps: (I am assuming your question has a typo in it and by "c" you meant "x")
The rational expression equals zero
only when the numerator equals 0 (the denominator cannot ever be zero):
and that happens only for x=4