Let y 1 : [0, ∞) R , y 2 : [0, ∞ ] R , f : [0, ∞) R , and g : [0, ∞] R , be functions…

Mathematics · JEE Advanced · NTA ExamsSets, Relations and Functions

Let y1 : [0, ∞) \(\rightarrow \mathbb{R},\)
y2 : [0, ] \(\rightarrow \mathbb{R},\) f : [0, ∞) \(\rightarrow \mathbb{R},\) and g : [0, ∞] \(\rightarrow \mathbb{R},\) be functions such that f(0) = g(0) = 0, y1(x) = e–x + x, x 0, y2(x) =
x2 – 2x – 2e–x + 2, x 0, \(f(x)=\int_{-x}^{x}\left(|t|-t^{2}\right) e^{-t^{2}} d t, x>0\) and \(g(x)=\int_{0}^{x^{2}} \sqrt{t} e^{-t} d t, x>0\)

Which of the following statements is TRUE?
  1. y1(x) 1, for all x > 0
  2. y2(x) 0, for all x > 0

Answer

(D)

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