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chmereaustin1
04.12.2019 •
Mathematics
Which of these equations has a graph that is tangent to the x-axis at one of its intercepts? choose all the polynomials that have this property.
y = x2 + 6x + 9
y = –x3
y = (x + 2)(x + 6)2
y = (x – 5)(x + 3)(x + 1)(x – 5)
y = x4
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Ответ:
Step-by-step explanation:
we know that
If the graph is tangent to the x-axis at one of its intercepts
then
the vertex of the graph or the inflection point of the graph lie on the x-axis
using a graphing tool
Verify each case
case A)![y=x^{2}+6x+9](/tpl/images/0402/9146/661c2.png)
The case A) has a graph that is tangent to the x-axis at one of its intercepts
case B)![y=-x^{3}](/tpl/images/0402/9146/6860f.png)
The case B) has a graph that is tangent to the x-axis at one of its intercepts
case C)![y=(x+2)(x+6)^{2}](/tpl/images/0402/9146/293d4.png)
The case C) has a graph that is tangent to the x-axis at one of its intercepts
case D)
The case D) has a graph that is tangent to the x-axis at one of its intercepts
case E)
The case E) has a graph that is tangent to the x-axis at one of its intercepts
Ответ: