Question
\[ f(x) = 3x + 4 \quad g(x) = 2x - 3 \] \[ \text{Finde: } f \circ g(x) \]
Ask by Willis Burgess. in Switzerland
Mar 09,2025
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Answer
Die Komposition \( f \circ g(x) \) ist \( 6x - 5 \).
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To find \( f \circ g(x) \), you need to substitute \( g(x) \) into \( f(x) \). Start with \( g(x) \): \[ g(x) = 2x - 3 \] Now replace \( x \) in \( f(x) \) with \( g(x) \): \[ f(g(x)) = f(2x - 3) = 3(2x - 3) + 4 \] Next, simplify: \[ = 6x - 9 + 4 = 6x - 5 \] Thus, the composition \( f \circ g(x) = 6x - 5 \).