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What is the interval in which both f (x) and g(x) are positive?
(4, ∞)
(1, ∞)
(–2, ∞)
(–∞, –2) ∪ (–2, ∞)

What is the interval in which both f x and gx are positive 4 1 2 2 2 class=

Respuesta :

mhanifa

Answer:

  • A. (4, ∞)

Step-by-step explanation:

f(x) is positive in the interval:

  • (-∞, -2) ∪ (1, ∞)

g(x) is positive in the interval:

  • (4, ∞)

The intersection of the above intervals is:

  • (4, ∞)

Correct choice is A

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