Ex 2.3, 3 - f(x) = 2x - 5. Write down f(0), f(7), f(-3) - Class 11 - Finding values at certain points

  1. Chapter 2 Class 11 Relations and Functions
  2. Serial order wise
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Ex 2.3, 3 A function f is defined by f(x) = 2x 5. Write down the values of (i) f(0) (ii) f(7), (iii) f(-3), Given f(x) = 2x 5 To find f(0), we put x = 0 f(0) = 2 0 5 = 0 5 = 5 To find f(7), we put x = 7 f(7) = 2 7 5 = 14 5 = 9 To find f( 3), we put x = 3 f( 3) = 2 ( 3) 5 = 6 5 = 11

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.