Answer:
<h2>

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Step-by-step explanation:

To find f(−1) , substitute the values of x that's - 1 into f(x). That is for every x in f(x) replace it with - 1
That's

We have the final answer as

Hope this helps you
Answer:
Can you take a picture of the question so i could help!
Step-by-step explanation:
answer:
61.712
Step-by-step explanation:
60 feet = 18.288
left wire = 80-18.288 = 61.712