It's not a really a question but how to solve these types of questions

Let f (x) = 9x - 2 and g (x) = - x + 3. Find f (g (x)).

Let f (x) = 2x + 2. Solve f-1 (x) when x = 4.

Let f (x) = x + 8 and g (x) = x2 - 6x - 7. Find f (g (2)).

Let f (x) = x2 - 8x + 5. Find f (-1).

Question

19 December, 21:00

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Answers (1)

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Emilio · Answer 1

1. 9 (-x+3) - 2

3.[ (2) 2 - 6 (2) - 7] + 8

4. (-1) 2 - 8 (-1) + 5

It's not a really a question but how to solve these types of questionsLet f (x) = 9x - 2 and g (x) = - x + 3. Find f (g (x)).Let f (x) = 2x + 2. Solve f-1 (x) when x = 4.Let f (x) = x + 8 and g (x) = x2 - 6x - 7. Find f (g (2)).Let f (x) = x2 - 8x + 5. Find f (-1).