First find f+g, f-g, f(g),and f/g then determine the domain for each function f(x)-4x+8, g(x)=x+6

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

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

What is the solution set for z+10=z-2