1. f(x) = x^3 + x^2 - 4x - 4.
3. Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the function f(x) = -2x^3 + x^2 - x + 7.
4. f(x) = (3x^2) / (x^2 - 4)
(a) Give the domain of this function.
(b) Give any horizontal asymptotes.
(c) Give any vertical asymptotes.
5. If y varies directly as x, and y = 36 when x = 12, write an equation for y in terms of x.© BrainMass Inc. brainmass.com September 19, 2018, 8:52 am ad1c9bdddf - https://brainmass.com/math/graphs-and-functions/asymptotes-87514
The solution describes Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for a function f(x) and the determination of horizontal and vertical asymptotes of a function.