• Call Us : 03082533000 (WhatsApp)
  • Email Us : TestPointpk.com@gmail.com
Testpoint Whatsapp group Testpoint Whatsapp group
Sticky Note
If f(x) = x² - 4 then f(- x) - f(x) equals?
  1. 4x
  2. 0
  3. 8x
  4. None of these
Explanation

f(x) = x² - 4  

f(-x) = (-x)² - 4 = x² - 4  

f(-x) - f(x) = (x² - 4) - (x² - 4) = 0  


Last verified on 06-05-2026

Related MCQs

If (x-2)/3 + (x-4)/10 = x/2, then x = ?
  1. -16
  2. -15
  3. 14
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Maryam has 3 dollars more than Bilal has, but 5 dollars less than Jameel has. If Maryam has x dollars, how many dollars do Jameel and Bilal have altogether?
  1. 2x + 2
  2. 2x - 8
  3. 2x - 5
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Solve: 48 − x = 7x?
  1. x = 5
  2. x = 6
  3. x = 7
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
If 2x + 4/x = 9, which equation is obtained after multiplying by x?
  1. 2x² + 4 = 9x
  2. 2x² + 9 = 4x
  3. 2x² + 9 = 4x
  4. x² + 4 = 9x
اس سوال کو وضاحت کے ساتھ پڑھیں
|3| − |−3| − 2² − |−3²| = ?
  1. 13
  2. 14
  3. 15
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Test Point Whatsapp Channel

All Rights Reserved © TestPointpk.com