For those which are polynomial functions, find the degree, the leading term, and the leading coefficient.f(x) = 5 + 6x - 7x3
A. Degree: 3, leading term: -7x3, leading coefficient: -7
B. not a polynomial function
C. Degree: 0, leading term: 5, leading coefficient: 5
D. Degree: 3, leading term: -7, leading coefficient: 5
Answer: A
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