Answer:
10
Step-by-step explanation:
f^(-1)(x) = 3x/(2-x)
f(x) = 2x/(x+3)
f(x)*(x+3)=2x
x(2-f(x))=3f(x)
x=3f(x)/(2-f(x))
11.5 x 2= 23 and 18 plus 5 = 23 so the answer would be 11.5
Hope this helps ;)
D
7 pounds to 15 dollars is equal to 3 pounds to X dollars
The answer is the first one, 132 square centimeters
