ASAP geo.

I will be very grateful

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27