80. f(x) = x+4x+x Find x, y-intercepts till asymptotes, and x32x²-15x (81) f(x) = = x2 – 5x – 14 que sketch the graph by guessing x³ + 2x² - 3x 82) f(x) x² - 25 83. f(x) = 84. Graph the function f(x)= = x² - 3 2x 4

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