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Problem
A kayak rental costs \(\$12\) initially plus \(\$8~\text{per}~\text{hour}\) \(h\). Write its context equation and determine whether it matches \(C~=~8h~+~12\).
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What this problem is really about
Build the context equation from meaning: total cost equals the fixed initial charge plus the hourly rate times hours. Then compare that structure with the proposed equation, remembering that reversing the order of terms in a sum does not change its value. A zero-hour check and a later-hour check confirm both the start and rate.
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