Is 84 / 56 = 16 / 9 proportional
2 answers:
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54/-2 = -27
First, let's rewrite:
Let x represent the unknown number:
Hence, 54/-2 = -27
The given expression is
THe given expression is a rational expression, and rational expression should not have 0 in the denominator.
Moreover, the denominator is a square root term, and square root don't have a value for negative number .
Therefore 2x+10 must be greater then 0. That is
Therefore the required domain in set builder form is
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