Answer:
Find the domain by finding where the expression is defined. The range is the set of values that correspond with the domain.
Domain: (−∞,0)∪(0,∞),{x|x≠0}(-∞,0)∪(0,∞),{x|x≠0}
Range: ,{x|}
u₁₂ represents the amount of loan remaining after 12 years
<h3>How to interpret u₁₂?</h3>
The function is given as:
u₀ = 8000

Given that the subscript n in
represents number of years and
represents the amount left to be paid after n years.
We can conclude that:
u₁₂ represents the amount of loan remaining after 12 years
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Your answer to this is:

<h2>→ <u>EXPLANATION :-</u></h2>
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<em>Jaceysan ~</em>
The answer should be A, if he marked it up 70% just multiply 66 by 1.7 for your answer.
I'm pretty sure the answer is -23.4>=w