Answer:
D
Step-by-step explanation:
x 0,4,8,12
f(x)β1,7,15,23
we can prove as the following
f(x)=2xβ1
β1=2(0)β1
β1=0β1
β1=β1
f(x)=2xβ1
7=2(4)β1
7=8β1
7=7
f(x)=2xβ1
15=2(8)β1
15=16β1
15=15
f(x)=2xβ1
23=2(12)β1
23=24β1
23=23
i wish it helps you