4. (10pt) Suppose f(t) = 2 - 9u(t - 1) + t$^2$u(t - 4) - (10 - t$^2$)u(t - 9) (a) (6pt) Sketch the graph of f(t). (b) (2pt) State any point of discontinuity. (c) (2pt) What is f(t)?
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6nz - 01 + n + 1n - 2 = 1 Combine like terms: 6nz + n + 1n - 2 = 1 Combine the n terms: 7nz + n - 2 = 1 Show more…
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