Let `f : R to R : f (x) =(2x +1) " and " g : R to R : g (x) =(x^(2) -2)` Write down the formulae for (i) ` ( g o f) (ii) ( f o g) (iii) ( f o f) (iv)

Question

Let `f : R to R : f (x) =(2x +1) " and " g : R to R : g (x) =(x^(2) -2)` Write down the formulae for (i) ` ( g o f) (ii) ( f o g) (iii) ( f o f) (iv)

Let `f : R to R : f (x) =(2x +1) " and " g : R to R : g (x) =(x^(2) -2)`
Write down the formulae for
(i) ` ( g o f) (ii) ( f o g) (iii) ( f o f) (iv) ( g o f)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `(i) (g o f) (x) = (4x^(2) +4x -1) " "(ii) ( f o g) (x ) = (2x^(2) -3)`
`(iii) (f o f) (x) =(4x +3) " " (iv) ( g o g) (x ) = (x^(4) _4x^(2) + 2)`

4 views Answered 2023-02-05 15:29