Answer:
A and D
Explanation:
A.) plug in 2 first then 4
2^2= 4 and 4^2= 16 so it applies
B.) does NOT apply bc 2+6=8 and not f(2)=4 and also does not equal to 16
4+6=10
C.) does NOT apply bc 4(2)+2=10 and not to 4 and also does not equal to 16; 4(4)+2=18
D.) does apply 2^2=4 and 2^4=16