Matematika

Pertanyaan

f(x) = 2x + 1
g(x) = x² - 5

g o f (x) = ?

1 Jawaban

  • ║Subject : Composition function
    ║Grade : X of Senior High School║

    Known :
    ⇒ f(x) = 2x + 1
    ⇒ g(x) = x² - 5

    ⇒ g o f(x) = g(f(x))
    ⇒ g o f(x) = (2x + 1)² - 5
    ⇒ g o f(x) = 4x² + 4x + 1 - 5
    ⇒ g o f(x) = 4x² + 4x - 4 

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