Fins the zeros, multiplicity, and effect on the graph of the function in
1 answer:
Answer:
See explanation
Step-by-step explanation:
Zeroe of the function is such velue of x at which f(x)=0.
1. Consider the function
Zeros are:
Zero has multiplicity of 1, zero
has multiplicity of 2, zero
has multiplicity of 5.
At or
the graph of the function crosses the x-axis, at
the graph of the function touches the x-axis.
2. Consider the function
Zeros are:
Zero has multiplicity of 1, zero
has multiplicity of 2.
At the graph of the function crosses the x-axis, at
the graph of the function touches the x-axis.
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Answer: The answers are
(i) The local maximum and local minimum always occur at a turning point.
(iii) The ends of an even-degree polynomial either both approach positive infinity or both approach negative infinity.
Step-by-step explanation: We are given three statements and we are to check which of these are true about the graphs of polynomial functions.
In the attached figure (A), the graph of the polynomial function is drawn. We can see that the local maximum occurs at the turning point P and local minimum occurs at the turning point Q. Also, the local maximum is not equal to the x-value of the coordinate at that point
Thus, the first statement is true. and second statement is false.
Again, in the attached figure (B), the graph of the even degree polynomial is drawn. We can see that both the ends approaches to positive infinity and in case of
, both the ends approch to negative infinity.
Thus, the third statement is true.
Hence, the correct statements are first and third.
