Boyd Wright
04/14/2023 · Primary School
75-78 ■ Encuentre las funciones \( f \circ g \) y \( g \circ f y \) sus dominios. 75. \( f(x)=2^{x}, \quad g(x)=x+1 \) 77. \( f(x)=\log _{2} x, \quad g(x)=x-2 \)
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Ejercicio 75:
- \( f \circ g(x) = 2^{x + 1} \) con dominio \( \mathbb{R} \).
- \( g \circ f(x) = 2^x + 1 \) con dominio \( \mathbb{R} \).
Ejercicio 77:
- \( f \circ g(x) = \log_2(x - 2) \) con dominio \( (2, \infty) \).
- \( g \circ f(x) = \log_2 x - 2 \) con dominio \( (0, \infty) \).
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