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Virty [35]
3 years ago
6

The graph of a rational function has local maxima at (-1,0) and (8,0). The complex number 2+3i is a zero of the function. What i

s the least possible degree of this function? (answer choices included)
a. 3
b. 4
c. 5
d. 6
Mathematics
2 answers:
Zina [86]3 years ago
8 0

The answer is 6. That is what I got when I took the quiz

Aneli [31]3 years ago
4 0
Any polynomial's graph cannot have two simultaneous maxima, so they must contain a minima between them. Thus, the total number of turning points of the graph is 3. Generally, when plotting a polynomial, the number of turning points is:
n = d -1; where d is the degree of the polynomial and n is the number of turning points. Thus, this function's degree must be at least 4. The answer is b.
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