Combining functions Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-2/combining-functions/quiz/

1. 1

   f(x) = 2x + 1, g(x) = x − 3, find (f + g)(x)

   Answer: ____________________

2. 2

   f(x) = x + 5, g(x) = 2x − 1, find (f + g)(x)

   Answer: ____________________

3. 3

   f(x) = x², g(x) = 3x, find (f + g)(1)
   1. A) 4
   2. B) 1
   3. C) 3

4. 4

   f(x) = x + 4, g(x) = 2x, find (f × g)(x)

   Answer: ____________________

5. 5

   f(x) = 2x + 1, g(x) = x − 3, find (f − g)(x)

   Answer: ____________________

6. 6

   f(x) = x² + 3x, g(x) = x² − 1, find (f − g)(x)

   Answer: ____________________

7. 7

   f(x) = x + 2, g(x) = x − 3, find (f × g)(x)

   Answer: ____________________

8. 8

   f(x) = 2x + 1, g(x) = x − 3, find (f × g)(x)

   Answer: ____________________

9. 9

   f(x) = x² − 2x, g(x) = 3x − 4, find (f − g)(x)
   1. A) x² + 5x + 4
   2. B) x² − 5x − 4
   3. C) x² − 5x + 4
   4. D) x² − 5x − 4

10. 10

    f(x) = x² + 1, g(x) = x² − 4x, find (f + g)(x)

    Answer: ____________________