justgon777 justgon777

24-04-2021
Mathematics

contestada

If f(x) = 7x +3 and g(x) = (x-4,
what is (fºg)(40)?

Respuesta :

26-04-2021

Answer: 280x^2 - 1000x - 480

Step-by-step explanation:

((7x + 3) * (x - 4))(40)

use foil

7x^2 - 28x + 3x -12

(7x^2 - 25x - 12) (40)

280x^2 - 1000x - 480

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