Answer:
1
Step-by-step explanation:
If you plug 1 into f(x) you get 6 so f^-1 is 1
The equation for a trapezoid is A = a+b all over 2 times h
So, you would simply substitute.
A=15
B=12
H=8
15+12/2 (8)=
27/2 (8)=
13.5 (8)=
108.
The awnser is d i think
