Answer:
2
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
The function
has value F(2) when x = 2 is substituted.

If there are 7 books on the floor, 7 x 3 is 21. Plus two extra books, 21 + 2 = 23. There are 23 books on the bookshelf.
Answer:
x=4
Step-by-step explanation: