question 8 and 9, you can give me 1 of the answers if the other one doesn't make sense:) im really confused

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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the answer on ed. is:

c. "the graph of f(x) has exactly two x-intercepts."

hope i could someone! : )

step-by-step explanation:

any linear relation with finite slope (that is, something other than x=constant) will be a function with a domain and range of "all real numbers."

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further, any odd-degree polynomial will likewise be a function with domain and range of "all real numbers." a linear equation is a polynomial of degree 1, hence of odd degree.