## PLEASE HELP!! DUE TONIGHT!! ! 25 POINTS!! Given f (x) = x^4 – 5x^3 – 20x^2 + 60x + 144. Explain how to find the x and y-intercept

Question

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## Answers ( No )

the end behavior is that it goes positive and both ends (we look at x^4 ) and put in -inf and + inf and get +inf both times)

to get the y intercept let x=0 y intercept =144

to find the x intercepts we factor and find the zeros

using graphing technology we plot the function

we look at the ends of the graph if it goes down it goes to – inf, if it goes up it goes to + inf

the y intercept is where x=0

there x intercepts are where it crosses the x axis on the plot (there should be 4 unless some are imaginary)