Inverse function of f(x)=4/x-2

Ahoy there, matey! our pirate ship had \dfrac{5}{6} 6 5 ​ start fraction, 5, divided by, 6, end fraction of a treasure chest full of gold. then we plundered an enemy ship and took their \dfrac{3}{8} 8 3 ​ start fraction, 3, divided by, 8, end fraction of a treasure chest full of gold. how many treasure chests full of gold do we have now

A20% apple juice drink is mixed with a 100% apple juice drink. the function f(x)=(2)(1.0)+x(0.2)2+x models the concentration of apple juice in the drink after x gallons of the 20% drink are added to 2 gallons of pure juice. what will be the concentration of apple juice in the drink if 6 gallons of 20% drink are added? give the answer as a percent but do not include the percent sign (%)

4. evaluate28 + 72 x 8 + 6(32 +2" -(4²+8)) - 2x3]43a) 646) 16c) 12d) 4​