3) Domain: All real numbers (-inf, inf)
Range: (-inf, 0) (y is less than zero)
x-intercepts - yes at x = 1
y intercept at y = -1
axis of symmetry at x = 1
4) Domain: all real numbers (-inf, inf)
Range: [1, infinity) (y is greater than 1)
y intercept at y = 2
axis of symmetry at x = -1
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