Post a New Question

calculus

posted by on .

f(x)=2x+8x^-1.For this function there are four important intervals: (-infinity,A],[A,B),(B,C), and [C,infinity) where A,B and C are either critical numbers or points at which f(x) is undefined.Find A,B and C.

  • calculus - ,

    f'(x) = 2 - 8/x^2
    setting this equal to zero yields x = ±2
    where y is then ±8


    I will describe the function:
    Vertical asymptote at x = 0
    Minimum point at (2,8)
    Maximum point at (-2,-8)
    Oblique asymptote y = 2x

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question