josh42144 josh42144

09-06-2019
Mathematics

contestada

Let f(x) = - 4x - 1 and g(x) = x2 + 3.
Find (fog)(4)
Then (fog)(4) =
. (Simplify your answer)

Respuesta :

jimrgrant1 jimrgrant1

09-06-2019

Answer:

- 77

Step-by-step explanation:

To evaluate, substitute x = 4 into g(x) then substitute the value obtained into f(x).

g(4) = 4² + 3 = 16 + 3 = 19

f(19) = (- 4 × 19) - 1 = - 76 - 1 = - 77

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