Asked by Auzy
Which polynomial(s) could have the following end behavior: as x→∞, f(x)→∞, and as x→−∞, f(x)→∞?
There may be more than one correct answer. Select all correct answers.
ax
−ax^5+bx^2+cx
ax^6
ax^2−b
ax^4−bx^3−cx^2−dx+e
ax^3+bx^2+c
this was so briefly went over in my notes...just wondering if I can get input how to know which is related to the end behavior formula given
There may be more than one correct answer. Select all correct answers.
ax
−ax^5+bx^2+cx
ax^6
ax^2−b
ax^4−bx^3−cx^2−dx+e
ax^3+bx^2+c
this was so briefly went over in my notes...just wondering if I can get input how to know which is related to the end behavior formula given
Answers
Answered by
oobleck
any polynomial of even degree, with positive leading coefficient, will exhibit the required behavior.
Think of x^2. It goes up on both ends. Higher even degree will too, possibly with some wiggles near where it crosses the x-axis.
Think of x^2. It goes up on both ends. Higher even degree will too, possibly with some wiggles near where it crosses the x-axis.
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