Answer:
84
Step-by-step explanation:
7*2*8
L*W*H
Answer: It’s the first one.
Step-by-step explanation: it’s right on edge
f(3)=21
f(1)=3
f(n)=2f(n-1)+3
n=2
f(2)=2f(2-1)+3
f(2)=2f(1)+3
f(2)=2*3+3
f(2)=6+3
f(2)=9
n=3
f(3)=2f(3-1)+3
f(3)=2f(2)+3
f(3)=2*9+3
f(3)=18+3
i think its false