Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Composite functions
Example 15 You are here
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Example 16
Ex 1.3, 3 (i) Important Deleted for CBSE Board 2024 Exams
Ex 1.3, 13 (MCQ) Important Deleted for CBSE Board 2024 Exams
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Composite functions
Last updated at June 6, 2023 by Teachoo
Example 15 Let f : {2, 3, 4, 5} → {3, 4, 5, 9} and g : {3, 4, 5, 9} → {7, 11, 15} be functions defined as f (2) = 3, f (3) = 4, f (4) = f (5) = 5 and g (3) = g (4) = 7 and g (5) = g (9) = 11. Find gof. f: {2, 3, 4,5} → {3,4,5,9} f(2) = 3, f(3) = 4, f(4) = 4 & f(5) = 5 Drawing diagram g: {3,4,5,9} → {7,11,15} g(3) = 7,g(4) = 7 ,g(5) = 11 ,g(9) = 11 Drawing diagram