Make a sketch of the given function on [0, ∞) and express it in terms of the unit step function: a) f(t) = = b) f(t) = 2sin(t), -2, 0. 4-t, 1, 1 0≤t<π/2 π/2 < t < 3π/2 t≥ 3π/2 0 < t <2 2 < t < 4 t>4

Verify by confirming all Solution vector Set 53 space K = 9 Solution Set a S2 K = 9 b = 13 vector of not • Verify by selecting one axiom fails of space. ten 2 y = kx₁ 53 = [(x, y) { R²: KX, [(x, y) { R²: y = KX ] is a y = kx + b₁ axioms in definition of vector set vector 2 S₂ = [(x, y) { R² from set and DATE: | | y= show a Kx +b] is at least

Simplify. у +7 y-4 2 3 y-4 У +7

Is this fully simplifed ?