When x = 0 the value of the function is 2 so its either A or B.
When x = 1, y = 8 so substituting these values in A we get:-
8 = 2 * 8^1 = 16 so
its Not A. Try B:-
8 = 2 *4^1 = 8 which fits
Answer is choice B
7. E
8.C
9. F
10.D
11.B
12.A
13.G
I think this is right
X=4 & y=3
Explanation:
Picture