CAT Quant Practice Problems

Question: Let \(f\left( x \right) = a{x^2} - b\left| x \right|,\)where a and b are constants. Then at x = 0, f(x) is
  1. maximized whenever a > 0, b > 0
  2. maximized whenever a > 0, b < 0
  3. minimized whenever a > 0, b > 0
  4. minimized whenever a > 0, b< 0

Correct Option:4

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CAT Quant Practice Problems
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