College of Admission Tests Multan

Functions

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 4

If ^N = 4N – 2, find ^(^3)
  • 38
  • 12
  • 24
  • 48

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Correct Answer: A

^N = 4N – 2, find ^(^3)

^3 = 4 × 3 - 2 = 12 - 2 = 10.

Now, apply the function on 10

^10 = 4 × 10 - 2 = 40 - 2 = 38