graphing a rational function

x^4+2/x^2-1
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2 Answers

Vertical asymptotes at x=-1, x=1

no x=intercepts, horizontal asymptote y=1

the function is even: symmetric to the y-axis

y-intercept (0,-2)
by Level 5 User (12.9k points)
graph the function on 0<=argument<=2 pi. x scale is pi/6 and y scale 1/2
by

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