Question: The functions s and t are defined by s(x) = 2 x , x t(x) = x + 3, x a.

The functions s and t are defined by
s(x) = 2x, x ∈ ℝ
t(x) = x + 3, x ∈ ℝ

a. Find an expression for st(x).

b. Find an expression for ts(x).

c. Solve st(x) = ts(x), leaving your answer in the form Ina/Inb

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