Clarissaherondale02 Clarissaherondale02

06-05-2019
Mathematics

contestada

Let f(x)=x+5 and g(x)=x^2 help?

Let fxx5 and gxx2 help class=

Respuesta :

altavistard altavistard

18-05-2019

Answer:

81 = g(f(4)) (Second answer choice)

Step-by-step explanation:

g(x) = x². Replace each instance of x with f(x) = x + 5:

g(f(x)) = (x + 5)²

Now evaluate this at x = 4:

g(f(4)) = (4 + 5)² = 9² = 81 = g(f(4))

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