9 Which of the following functions are linear? Select all that apply.
1
A The function that assigns to each number a the value
Ā
B The function that assigns to each number & the value 9x2.
3
The function that assigns to each positive number 2 the value
C
D
The function that assigns to each positive number 2 the value 52x.
E
The function that assigns to each number x the value 7x.
F The function that assigns to each number the value x + 8.