Composition of Two Functions
Let f and g be functions defined by f(x) = √(x+4) and g(x) = 2x² - 3. Which of the following is an expression for (f ∘ g)(x)?
A
√(2x² + 1)
B
√(2x² - 3 + 4)
C
√(2x² - 7)
D
2(√(x+4))² - 3
Question Leaderboard
| Rank | |||||
|---|---|---|---|---|---|
| #1 | aaaaaailisi0614 | 1 | 1 | 0m 00s | 100 |
| #2 | gultepemesut | 1 | 1 | 0m 32s | 68 |
| #3 | andrew.hsia9 | 1 | 2 | 0m 41s | 49 |
| #4 | 905705 | 1 | 1 | 0m 51s | 49 |
| #5 | danurizayo | 0 | 1 | 0m 21s | -31 |
| #6 | yasinseif5 | 1 | 4 | 1m 52s | -42 |
| #7 | aniyahltlou | 0 | 1 | 0m 36s | -46 |
| #8 | jjduterte | 1 | 2 | 2m 58s | -88 |
| #9 | isabelgehrig99 | 1 | 2 | 3m 31s | -121 |
| #10 | mqudah092 | 0 | 1 | 3m 46s | -236 |
Items per page:
10
1 – 10 of 11