Test Academy | What is the mathematical expression for monotonically decreasing function? x₁ < x₂ ⇒ f(x₁) ≤ f(x₂) ∀ x₁, x₂ ∈ (a,b), x₁ < x₂ ⇒ f(x₁) ≥ f(x₂) ∀ x₁, x₂ ∈ (a,b), x₁ = x₂ ⇒ f(x₁) ≤ f(x₂) ∀ x₁, x₂ ∈ (a,b), x₁ < x₂ ⇒ f(x₁) = f(x₂) ∀ x₁, x₂ ∈ (a,b)

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What is the mathematical expression for monotonically decreasing function?

Options :

x₁ < x₂ ⇒ f(x₁) ≤ f(x₂) ∀ x₁, x₂ ∈ (a,b)
x₁ < x₂ ⇒ f(x₁) ≥ f(x₂) ∀ x₁, x₂ ∈ (a,b)
x₁ = x₂ ⇒ f(x₁) ≤ f(x₂) ∀ x₁, x₂ ∈ (a,b)
x₁ < x₂ ⇒ f(x₁) = f(x₂) ∀ x₁, x₂ ∈ (a,b)

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