4. Art. a. A sculpture has a hyperbolic cross section (see figure). Write an equation that models the curved sides of the x² sculpture. (Hint: It's NOT :1) 1 169 b. Each unit in the coordinate plane represents 1 foot. Find the width of the sculpture at a height of 5 feet. (-2, 13) (-1,0) (-2,-13) -44 -8+ -12 -164 (2,13) (2, -13)

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