SF: Official Question
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SF: Practice SET-5
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SF: Practice SET-4
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SF: Practice SET-3
Symbols & Functions: Level 3 1. Let \(f(x) = x^2 – 5\). What is the value of \(f(f(f(1)))\)? -4 11 116 6 121 Check Solution (C): 1. Start from the inside: \(f(1) = (1)^2 – 5 = 1 – 5 = -4\). 2. Use this result: \(f(f(1)) = f(-4) = (-4)^2 – 5 = 16…
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SF: Practice SET-2
Symbols & Functions: Level 2 1. Let \(x \text{ \$ } y = 2x + 3y\). What is the value of \(5 \text{ \$ } 2\)? 10 12 13 16 25 Check Solution (D): Substitute \(x=5\) and \(y=2\) into the equation. \(x \text{ \$ } y = 2x + 3y\) \(5 \text{ \$ } 2…
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SF: Practice SET-1
Symbols & Functions: Level 1 1. For all numbers \(x\) and \(y\), let \(x \text{ \$ } y = 2x + 3y\). What is the value of \(5 \text{ \$ } 2\)? 10 12 13 16 25 Check Solution (D): Substitute \(x=5\) and \(y=2\) into the equation. \(x \text{ \$ } y = 2x +…
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SF: Extended Concept
Symbols & Functions — Complete Concept Explanation In standardized quantitative reasoning problems, new symbols or operators are often defined by a special rule that replaces normal arithmetic. Understanding these questions requires interpreting the symbol as a custom function — not ordinary addition or multiplication. 1. Custom Symbol or Operator Definition A custom binary operator is…
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SF: TEST-2 DS
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