The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The mon
1 answer:
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Answer:
(a) and (b) are not equivalent
(c) is equivalent
Step-by-step explanation:
Given
Required
Determine an equivalent or nonequivalent expression
We have:
Apply law of indices
<em>This is not equivalent to </em><em></em>
We have:
Apply law of indices
<em>This is not equivalent to </em><em></em>
<em></em>
<em /><em />
We have:
<em /><em />
Apply law of indices
<em /><em />
<em /><em />
<em>Evaluate the numerator</em>
<em /><em />
<em />
<em>This is an equivalent expression</em>