Determine whether the following functions are continuous on R: 21 - 7x x - 3 t...

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Determine whether the following functions are continuous on R: 21 - 7x x - 3 t³ - 27 t-3 o f(x) = g(t) = = Ⓒh(u) = of(x)= = t# 3 t = 3 -3x + 7 u≤ 3 -2 u > 3 X x < 0 x² 0≤x≤ 1 X x > 1 Find a, b such that the function f(x) = is continuous everywhere. x + 1 ax+b 3x x < 1 1<x<2 x ≥ 2 Determine whether the following functions are continuous on R: 21 - 7x x - 3 t³ - 27 t-3 o f(x) = g(t) = = Ⓒh(u) = of(x)= = t# 3 t = 3 -3x + 7 u≤ 3 -2 u > 3 X x < 0 x² 0≤x≤ 1 X x > 1 Find a, b such that the function f(x) = is continuous everywhere. x + 1 ax+b 3x x < 1 1<x<2 x ≥ 2

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